1) The unknown substance has a volume of 7.5 cm³
2) The mineral sinks in the water
3) The mineral floats in the water
4) It has a mass of 800 g
5) It has a density of 2.7 g/cm³
6) Iron has a calculated density of 7.9 g/mL
7) Calculated density of the rock is obtained as 3 g/mL
8) Ethyl alcohol has a mass of 7.9 g
What is density?The term density has to do with the mass per unit volume of the object. The density is an intrinsic property as such the density of the object is one of the factors that we could use in the identification of the body.
1) The volume of the unknown substance could be obtained from;
V = mass/density = 47g/ 6.8g/cm³ = 7.5 cm³
2) A mineral that has a density of 2.5g/cm³ would sink in the water
3) A mineral that has a density of 0.45g/cm³ would float in the water
4) The mass of the substance is obtained from;
mass = density * volume = 10g/mL * 80mL = 800 g
5) The density of the rock is 54g./20cm³ = 2.7 g/cm³
6) Density of the iron = 28.5g/ 49.1mL - 45.5mL = 7.9 g/mL
7) Density of the rock = 24g/30mL - 22mL = 3 g/mL
8) The mass of the ethyl alcohol is 0.789g/mL * 200 ml = 7.9 g
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What information did she need to find the density of each liquid? How did she calculate density?
Which liquid sinks to the very bottom, and which floats at the very top? Explain.
The answers include the following below:
The information she needed to calculate the density of each liquid is to finding out the mass and volume of the substance.The liquid which sank to the bottom is water while the liquid which floated is oil.What is Density?This is referred to as the mass per unit volume of a substance and substances which have a high density will always sink while the the ones with a low density will float on a surface.
Density varies according to the nature of substance, conditions and the given parameters. It is also used in the identification of pure substances and also to know the composition of an unknown mixture when a chemical reaction is being performed.
The liquid which will sink to the bottom in this scenario is water while the one which will float and be seen at the very top is oil because it is less dense than water which is therefore the reason why it was chosen as the correct choice.
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HELP! URGENT! 50 PTS
James is currently finishing his science coursework on how environmental factors such as noise, pollution, crime and poor living conditions can affect intellectual development. discuss how these factors might affect intellectual development. (6 Marks).
50 pts
Environmental factors such as noise, pollution, crime and poor living conditions can have major affect on our intellectual development.
Noise might impact psychological abilities directly or result in impaired attention, frustration, learned helplessness, arousal, or calibration out, that may impact performance and learning within the future.
Associations between pollution and intellectual development, as well as reduced verbal and nonverbal I.Q., memory, affect scores and grade-points among college kids, similarly as different neurologic behavioural issues.
Criminologists have found people with a below-average I.Q. are more probably to commit a criminal offense than higher-IQ people. In fact, some have thought-about I.Q. among the foremost important correlates of crime.
The negative effects of poor living conditions will wear a child's brain as well as development, learning and educational performance. Various studies have documented that low-income kids, as young as age 2, perform worse across cognitive measures.
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Complete the sentence.
A doctor must have a client's consent to offer any kind of care, otherwise the doctor is going against the client's _______.
Answer:
Consent
Explanation:
Consent is basically permission.
Definition and categories of drugs
Why does insufficient sleep have the potential to lead to chronic disease?
it causes one to lose weight
it imbalances one’s hormones
it increases one’s blood pressure
it lowers one’s blood pressure
Insufficient sleep have the potential to lead to chronic disease as it increases one’s blood pressure.
If you do not get enough sleep, your body might not be ready to foreclose invaders, and it's going to additionally take you longer to live through unhealthiness. Long-run of insufficient sleep additionally will increase your risk for chronic conditions, like heart diseases and diabetes mellitus.
Insufficient sleep is connected to several chronic diseases health issues, as well as heart and brain diseases, high pressure level, diabetes, stroke, obesity, and depression. Insufficient sleep is additionally connected to a high probability of injury in adults, teens, and children.
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In which situation is reaction time the MOST important skill for an
athlete to use?
O a golfer tees off on a long hole
O a gymnast dismounts from the beam
O a boxer blocks a punch from the opponent
O a cyclist makes a sharp turn in a race
A boxer blocks a punch from the opponent is the situation in which reaction time is the most important skill for an athlete to use and is denoted as option C.
What is Reaction time?
This is important in sports and it is the ability to respond in a very fast manner to stimulus and is common with sports such as tennis, boxing etc.
The boxer responded to the stimulus which was coming along with the punch which was why it was blocked which signifies that the athlete has a good reaction time and is the process why option C was chosen.''
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What type of medicine might your doctor prescribe if you the flu?
a.)Antitoxin
b.)Antibiotic
c.)Antiviral
d.)Antifungal
how do people breathe
Answer: uum, with help of there lungs
Explanation:
categories which define the differences in human blood due to the presence or absence of certain protein molecules called antigens and antibodies
The blood plasma contains the antibodies, while the red blood cells' surfaces are home to the antigens. Various types and combinations of such molecules exist in different people.
What are antibodies and antigens in blood?A foreign substance which enters your body is known as an antigen. This can include allergens, bacteria, viruses, fungi, venom, and other different types of toxins. Your immune system makes an antibody protein to go after and combat these antigens.
What is the function of antigens in blood?An immune response is elicited by antigens. The immune system will launch an attack against an antigen if it is discovered that it is not present on the body's own cells. In contrast, the immune system does not typically attack "self-antigens," which are antigens found on the body's own cells.
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I need some halp well not really help some knowledge How Long DOes It take for a sprained foot to heal ---no specific reason........... hifjgvfcbdbndjkdbgjnm --- and if so should i tell my parents --vxcvfdjkxgmbfngk
Answer:
1 ½ – 2 months; 4-6 weeks
Explanation:
Hope this helps.
Explain how the human circulatory system is adapted to supply oxygen to the tissues and remove waste products
Answer:
Human circulatory system is adapted to supply oxygen to the tissues as it usually carries the oxygenated blood through veins and capillaries which is there common function.
It is also adapted to remove waste products from tissues as they carry the waste (deoxygenated blood) and brings the fresh oxygenated blood and circulates among it.
The human circulatory system utilizes the network of blood vessels and the pumping action of the heart to deliver oxygen and remove waste products efficiently.
The sophisticated human circulatory system effectively delivers oxygen to tissues and removes waste. Through blood arteries, the heart delivers oxygenated blood from the lungs to the body. Oxygen and nutrients are exchanged between cells through capillaries.
Waste products like carbon dioxide return to capillaries while oxygen diffuses into tissues. Deoxygenated blood returns to the heart, is pumped to the lungs, and releases carbon dioxide while absorbing oxygen to complete the cycle.
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Which risk is associated with performance-enhancing drugs?
OA. Lung cancer
OB. Weak muscles
C. Alcohol poisoning
D. Criminal charges
Weak muscles is associated with performance-enhancing drugs.
What do you mean by performance enhancing drugs?
The majority of committed athletes will admit that they have a strong desire to win. Athletes frequently strive to achieve goals like making a professional team or winning a medal for their nation in addition to the gratification of personal success. The use of performance-enhancing substances has become more widespread in such a setting.
Anabolic steroids can be used as performance-enhancing medications that reduce body fat and build muscular mass, but they also have a number of negative side effects. They are commonly taken by some bodybuilders, weightlifters, and athletes to enhance their physical prowess and bulk up their frames.
Hence the correct option is B; Weak muscles.
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The Physician ordered 150 mg of a medication. It is available in 0.1 scored tablets. How many tablets should be given?
Answer:
1½ tablets should be given.
FIFO stands for the first in, first out principle for rotating foods.
True
False
Can I get some help on this please!!
A measure of how well your cardiorespiratory system is functioning is: endurance.
A myth about exercising is that: muscle tissue weighs more than fat.
What is cardiorespiratory fitness?Cardiorespiratory fitness can be defined as a measure of the circulatory and respiratory system's ability to supply oxygen to the skeletal muscles that are found in the body of a living organism, especially during any sustained physical activity such as an anaerobic or aerobic exercise.
Generally speaking, the cardiorespiratory fitness of an individual is usually measured at rest, usually through a measurement of blood pressure or through the use of an electrocardiogram (ECG or ECK).
Additionally, endurance is a measure of how physically fit and healthy a person is based on the effective functions of his or her cardiorespiratory system.
In conclusion, a muscle tissue and fat weigh the same in contrast to the myth about exercising.
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Factors that affect drug use
Gravity is an attractive force that decreases as the mass of an object increases.
Please select the best answer from the choices provided.
T
Or
F
Hasan wants to investigate whether a weight loss product is
legitimate. What is the MOST reliable source Hasan can use to
research the product online?
O customers' personal blogs
O the company's website
O websites not owned by the company
O reviews on the company's social media sites
Answer:
personal blogs would make the most sense to me
Answer:
The correct answer is A. personal blogs
Explanation:
Talk about neuroadaptation (changes the brain undergoes to accommodate the recurring presence of a new substance.) Name two ways the brain adapts to excess dopamine in an effort to maintain homeostasis.
Neuroadaptation is fundamental to maintaining functions in the nervous system, while the brain can adapt to excess dopamine by generating more cell receptors or by blocking receptor-ligand associations.
What is neuroadaptation or neuroplasticity?The term neuroadaptation, also called neuroplasticity, makes reference to a physiological process in which the brain has different responses to maintain the state of equilibrium. One of these responses involves removing the excesses of neurotransmitters or chemical messengers such as dopamine, which may produce changes in the brain.
Therefore, we can conclude that our nervous system is able to reabsorb the excess dopamine to maintain homeostatic equilibrium conditions.
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What disease is caused by louse
Answer:
Body lice known to transmit disease such as epidemic typhus, Bartonella,quintana infection and epidemic relapsing fever
The brain stem is in charge of which of the following body functions?
O circulating blood
Obreathing air
Odigesting food
Oall of the above
The brainstem regulates vital cardiac and respiratory functions and acts as a vehicle for sensory information. Your brainstem is one of these three parts. It regulates many of the body functions that feel “automatic,” like breathing or swallowing
Answer: All of the above
Which of the following is NOT one of the ways microorganisms are typically spread?
When food is undercooked.
When raw food touches cooked food.
When people preparing food transfer microorganisms from their hands, counter tops, or utensils.
When food is refrigerated or frozen too quickly
Answer:
D.
While the others are common ways microorganisms are spread, freezing or cooling or food to quickly doesnt seem like one that would spread a lot.
Which of the following is NOT one of the ways microorganisms are typically spread?When When food is refrigerated or froz
Kylian has the ability to quickly move in and out of cones while
kicking a soccer ball. What fitness skill does this MOST accurately
demonstrate?
O balance
O agility
O power
O reaction time
Answer:
The fitness skill demonstrate reaction time
The fitness skill demonstrated here is the reaction time. That is option (D).
What is reaction time?The scientific study of processing speed or reaction time on cognitive tasks is referred to as mental chronometry. The purpose of this research is to deduce the content, duration, and temporal sequencing of mental activities.
Reaction time, or RT, is a way to measure how quickly an organism responds to a stimulus. RT is the amount of time between when the stimulus is shown and when the subject gives the right response on his or her own.
Reaction time examples include sprinting after the starting pistol. The gunshot starts the race. Reaction time is the period between the gunshot and your initial race jump.
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Question 5 of 20
Eating
fats may lower your bad cholesterol and raise good
cholesterol, thus decreasing your risk of developing heart disease.
O A. unsaturated
B. saturated
O C. acidic
O D. trans
When a child reacts to the school teacher as if she were his mother, then the child is displaying the conditioning principle known as stimulus what?
When a child reacts to the school teacher as if she were his mother, then the child is displaying the conditioning principle known as stimulus generalization.
Conditioning principles are the stages of classical conditioning. Classical conditioning is the stimulus of automatic learning which occurs by association with some previous stimuli. The several principles of classical conditioning are: acquisition, extinction, spontaneous recovery, stimulus generalization and stimulus discrimination.
Stimulus generalization is the principle in which the new stimulus produces a response which is similar to the one produced by some other stimulus. This is the reason why child reacts to the teacher as a mother, because both display similar kind of treatment in terms of affection and teaching.
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What are some of the characteristics of good leaders? Which characteristic do you think is most important for a leader in the health sciences to have?
NO one younger then 15 answer please help
Answer:
The characteristics of a good leader are: knowing how to make decisions, being patient and empathetic, respecting all people, knowing how to respect personal limits, being a good example, knowing how to ask for help, assuming your responsibilities and being organized.
Of these characteristics, those that are important for a leader in the health area are: knowing how to make decisions, having empathy and patience, respecting all people, being organized, knowing how to ask for help and assuming their responsibilities.
Explanation:
In addition to pursuing the characteristics mentioned above, to become a good leader you need a lot of preparation and willingness. Anyone who wants to stand out and achieve leadership positions must be resilient, work hard and always be well prepared to seize an opportunity like this. In addition, wearing the company, clinic or hospital shirt shows that you are interested in internal growth, it can make a difference when managers look for a new figure for the job.
In parallel, a good leader must work on some changes in his daily behavior and attitudes. Improve your communication, increase your motivation and self-confidence, have a positive attitude, demonstrate commitment and proactivity in your daily functions.
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Answer: The characteristics of a good leader are: knowing how to make decisions, being patient and empathetic, respecting all people, knowing how to respect personal limits, being a good example, knowing how to ask for help, assuming your responsibilities and being organized.
One of the characteristics of effective healthcare leaders and effective healthcare teams is the ability to meet and set goals. What is a health goal that you have? (This may be a career goal or an improvement that you'd like to make to your health.) What steps can you take to reach this goal?
Answer:
for an example you could have walked to improve your cardio
Explanation:
going on dayily morning runs can improve your cardio and give you a stronger heartbeat. a stronger heartbeat May prevent you from certain diseases .
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Answer: walking to Improve cardio
Explanation:
On Sunday, Jerome had a sore throat and fever. On Monday he went to his
regular doctor, who prescribed an antibiotic (Label 1). Jerome has been taking 2
pills each day, 1 in the morning and 1 in the evening. On Wednesday, Jerome
had an upset stomach, so his dad took him to the grocery store, where they
bought an over-the-counter antacid (Label 2). Jerome took the antacid medicine
that night and the next morning. By the next afternoon, the stomach ache was
gone and so were his sore throat and fever, so Jerome stopped taking both
medicines. Jerome's drug use is...
A culture takes one or two days, but it is more effective at recognizing every occurrence of strep, even if more medical professionals are administering LDN "off label," much like they do with many other treatments that haven't been "approved" for the conditions.
What signs and symptoms of strep throat are most typical?
throat discomfort that could get quite severe quickly.
having trouble swallowing
Fever.
Tonsils that occasionally have pus-filled white streaks or patches and are red and swollen.
There are a few little red dots on the roof of the mouth.
Swollen lymph nodes at the front of the neck.
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When a patient is to begin lithium therapy, which laboratory results would the health care team be sure to check before administering the patient’s first dose?.
Answer: they stayed in the trap
Explanation:
The laboratory results would the health care team be sure to check before administering the patient’s first dose are TSH and BUN. The correct options are D and E.
What is a TSH and BUN?Untreated hyperthyroid individuals' blood urea nitrogen (BUN/creatinine ratio) was unusually high (24.8 +/- 0.6) as a result of both a rise in BUN and a reduction in creatinine concentration.
Following the restoration of the euthyroid condition, BUN, creatinine, and the BUN/creatinine ratio all returned to their pre-thyroid levels. Even in euthyroid patients, elevated thyroid-stimulating hormone (TSH) levels are linked to decreased glomerular filtration rate (GFR) and an increased risk of developing chronic kidney disease.
Therefore, the correct options are D, BUN and E, TSH. TSH and BUN are the lab findings that the medical staff will make sure to verify before giving the patient their first dose.
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The question is incomplete. Your most probably complete question is given below:
EKG
CBC
GFR
BUN
TSH
How should food workers deter pests from outdoor dumpsters?
(CA Food handler questions)
A. set traps around the dumpsters B. hang a tarp over the dumpster area
C. keep the area around dumpsters clean
D. apply pesticides to the dumpster Lids
Answer:
C
Explanation:
That's just the way it is.
Keep area around dumpsters clean, food workers should remove pests from outdoor dumpsters. So, the correct option is C.
What are Dumpsters?A dumpster is defined as the movable waste container designed to be brought and taken away by a special collection vehicle, or to a bin that a specially designed garbage truck lifts, empties into its hopper, and lowers, on the spot.
This is made from 100% high-density polyethylene, which is our durable, lightweight dumpsters offer significant benefits over their steel counterparts. Roll-off/container/dumpster/opentop containers are just a few of the types these large capacity receptacles are offered.
Thus, keep area around dumpsters clean, food workers should remove pests from outdoor dumpsters. So, the correct option is C.
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