Read each statement about density and convection and indicate whether it is True or False _____ 1. Density is how tightly packed particles are in a substance. _____ 2. Warm liquid sinks and cool liquid rises. _____ 3. Heat moves through solid, liquid, and gases through convection currents. _____ 4. Substances with a greater density than water will sink, while substances with less density will float. PLZ ANSWER

Answers

Answer 1

Answer:

true false true true

Explanation:

Please mark me brainliest

Answer 2
Density is how tightly packed particles are in a substance. The statement is true.Warm liquid sinks and cool liquid rises.The statement is false.Heat moves through solid, liquid, and gases through convection currents. The statement is true.Substances with a greater density than water will sink, while substances with less density will float. The statement is true.

What is the density of the substance?

The density of a substance is 0.83 g/mL. We know that the density of water is 1 g/mL. It means the density of the substance is less that that of density of water. If the density of substance is less that water then it will float on water's surface.

Density is how tightly packed particles are in a substance. Warm liquid sinks and cool liquid rises. Heat moves through solid, liquid, and gases through convection currents. Substances with a greater density than water will sink, while substances with less density will float.

Therefore, Density is how tightly packed particles are in a substance. The statement is true.

Warm liquid sinks and cool liquid rises.The statement is false.Heat moves through solid, liquid, and gases through convection currents. The statement is true.Substances with a greater density than water will sink, while substances with less density will float. The statement is true.

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Related Questions

.How does GMO technology differ from selective breeding techniques that farmers have been using for
thousands of years?

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Answer:

now days we clone animals

Explanation:

back then we didn't do that

health education helps to be free from fatal disease . justify in your own words

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Explanation:

i posted a picture as to why

Using a pedometer can promote a physically active lifestyle. Please select the best answer from the choices provided. T F

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Answer:

True: Using a pedometer CAN promote a physically active lifestyle. The reason for this is that people tend to enjoy seeing their progress.  Using a tool often mentally encourages a person to use it.

Explanation:

what is the correct temperature to cook a chicken​

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Answer:

1 hour and 15 minutes in the preheated oven, to a minimum internal temperature of 180 degrees F (82 degrees

Which of the following should you do when lifting weights? A. Pick the weights up quickly and with a jurkin motion B. Lift with your legs, not your back C. Twist as you lift D. Lift with your back, not your legs.

Answers

The answer would be B so you won’t injure yourself

What is adrenaline and how does it work in a person's response to stress?

Answers

Answer:

Adrenaline leads to the arousal of the sympathetic nervous system and reduced activity in the parasympathetic nervous system. Adrenaline creates changes in the body such as decreases (in digestion) and increases (sweating, increased pulse and blood pressure).

Answer:

Hmm.

Explanation:

Adrenaline, also known as epinephrine, is a hormone and medication. Adrenaline is normally produced by both the adrenal glands and a small number of neurons in the medulla oblongata, where it acts as a neurotransmitter involved in regulating visceral functions.

Adrenaline increases your heart rate, elevates your blood pressure, and boosts energy supplies. Cortisol, the primary stress hormone, increases sugars (glucose) in the bloodstream, enhances your brain's use of glucose, and increases the availability of substances that repair tissues.

Which of the following statements about developing a personal fitness program is NOT true? A. When developing a personal fitness program, it is important to implement strategies that will help maintain the program as well as give it a successful start. B. Personal factors such as age, health concerns, and likes are important to consider when developing a personal fitness program. C. The starting skill level of the physical activities included in a personal fitness program should be determined from other individuals' fitness programs. D. The FITT principle should be used when developing a personal fitness program.

Answers

Answer:

C

Explanation:

jus incase anyone needs the answer to this :)

A high number of white blood cells over a long period of time is a sign of

A) Leukemia
B) HIV
C) Influenza
D) Pneumonia

Answers

Answer: From my experience... It depends on what type of white blood cells is elevated. A WBC (white blood count) that is elevated shows a presence of infection. Where as when your BLAST count (or immature white blood count) is elevated, that is what shows the presence of leukemia.

Explanation: My brother had something called Meiloproliferative disorder of an infant, which is also called acute leukemia. This is how the doctors explained it to me.

PLEASE HELP!!! WILL MARK BRAINLIEST!!! What do you need to have in order to get your professional license? (Check all of the boxes that apply) Friends in the business Proper educational background Licensing test Letter of recommendation Application

Answers

Answer:

Prober educational background

Licensing test

Letter of recommendation {optional}

Application{ if that's separate  from the last answer}

We need to have it in order to get your professional license because of these given reasons:

B, Proper educational background

C. Licensing test

E. Application.

What is a driving license?

A driving license is a permit to drive a vehicle. The purpose of a learner's permit or license is to assist in educating new drivers on safe driving practices.

With a specified set of limitations, this license class enables people to drive on public roadways. Drivers can apply to take a driving test and obtain a driver's license after maintaining their permit for more than a year.

A driver's license, on the other hand, is an official document allowing a specific person to operate one or more types of motorized vehicles.

Therefore, the correct options are B, Proper educational background, C. Licensing test, and E. Application.

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write all subsets of the set (a,b,c)​

Answers

Answer:

(a) (b) (c) (ab) (ac) (ba) (bc) (ca) (cb)

Explanation:

What makes a nicotine substitute effective?
A. It contains nicotine.
B. It contains a chemical that acts like nicotine.
C. It contains all the same chemicals as tobacco smoke.
D. It contains neurotransmitters.

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Answer:

Tobacco smoke contains a number of toxicologically significant chemicals and groups of chemicals, including polycyclic aromatic hydrocarbons (benzopyrene), tobacco-specific nitrosamines (NNK, NNN), aldehydes (acrolein, formaldehyde), carbon monoxide, hydrogen cyanide, nitrogen oxides, benzene, toluene, phenols (phenol, ...

Explanation:

Wellness programs at work have been found to reduce employee sick days by how much?

Answers

ACCORDING TO THE 2018 WELLNESS CHECK UP SURVEY:

56% of employees took fewer sick days and 62% with wellness programs felt it increased their productivity

The occupational exposure to hazardous chemicals act requires employees to

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Answer:

This standard requires empoyers to keep employee exposures at or below the permissible exposure limits specified in the standard on air contiminants and in other substanve specific health standards.

If Randy perform short bursts of lifting very heavy weights with low repetitions, this type of exercise is called______?

A. aerobic exercise
B. muscular strength exercise
C. bone strength exercise
D. anaerobic exercise​

Answers

It is important to note that muscle strength exercise help to reduce the  risk of developing heart related disease.

This type of exercise is called B. muscular strength exercise

Muscular strength exercise is an exercise that  has to do with lifting heavy weight which inturn help to build up muscles.

Muscular strength exercise is the exercise which helps you to burn out body fat in order for you to  maintain a body weight that is healthy.

A person or an individual who engage in this type of exercise tend to develop healthy muscular bone including the strength to carryout day to day activities.

It is important to note that muscle strength exercise help to reduce the  risk of developing heart related disease.

Example of muscular strength exercise are:

• Push up

•Pull up

•Shoulder presses etc

Inconclusion Muscular strength exercise has to do lifting  heavy weights with low repetitions

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Which definition applies to physical fitness

Answers

Physical fitness is your ability to carry out tasks without undue fatigue.

What would you do if you tried to make someone’s day better and you did but it mad your day a little worse because of what they told you what was going on with there life.how would I help that

Answers

Answer:

I wouldnt let it ruin my day, I would still find out if they are ok, and then continue my day

Explanation:

10pts Per Answer + first answer is brainliest!

You have been excited about the next basketball season since last year. The date of basketball tryouts should be recorded on your term calendar.

T/F

Answers

Answer:

TRUE on edge 2020/21

Explanation:

I got 100% on my quiz.

Also, basketball tryouts are the beginning to a year-long commitment. Therefore, it should be placed on your term calendar, along with your graduation, for instance.

Answer:

True :)

Explanation:

Anything that causes stress is a(n) stressor
True
O False

Answers

Answer:

true

Explanation:

if it stresses you out then yes it would be considered a/n stresser

Answer:

false

Explanation:

it dosen't make sense

Explain how to perform a compression. How many compressions should be completed per minute

Answers

Answer:

Push hard, push fast. Place your hands, one on top of the other, in the middle of the chest. Use your body weight to help you administer compressions that are at least 2 inches deep and delivered at a rate of at least 100 compressions per minute. Deliver rescue breaths.

Explanation: Hope this helps

which is a sigh of wellness​

Answers

Answer:

However as the putin system becomes over more authoirtarin the cost of wiliness goes up ever more , and its benifits become less and less

What skill-related fitness abilities are necessary for volleyball

Answers

Increase in financial obligations.
Getting married.

Where are you obliques?

Answers

Please Mark Me As Brainliest answer

The Obliques are located on the lateral sides of the abdominal wall.

Which of the following statements about physical fitness is TRUE? A. Physical fitness is a continuous, changing state. B. Physical fitness is influenced by many factors. C. Physical fitness is individualized to each person. D. all of the above Please select the best answer from the choices provided. Α. B. C. D.​

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Answer:

d is the answer

Explanation:

huuuuuh

For which position is a medical degree required?

a. paramedic

b. coroner

c. coroner's assistant

d. medical examiner

Answers

D !!!

Hope this helped

Medical examiner is a position that require medical degree. The correct option is d.

What is a medical examiner?

A medical examiner's duties are similar to those of a coroner, but a coroner is highly needed to have particular medical schooling and is capable of performing medical examinations and autopsies.

A medical examiner is frequently called to crime scenes or to give testimony in court. Medical examiners are experts in forensics and rely on it in their work.

It is not generally required to have a medical degree for a coroner, paramedic and also b assistance.

A coroner is a public official who is appointed or elected in a specific geographic jurisdiction and whose official duty it is to investigate certain types of deaths.

Thus, the correct option is d.

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Please help hurry!!!!

Answers

Answer:

False

Explanation:

prevention – taking steps to keep something from happening or getting worse.

abstinence – a deliberate decision to avoid high-risk behaviors, including sexual activity and the use of tobacco, alcohol, and other drugs.

What is a resting heart rate and how can it be used to evaluate the progress of a fitness program?

Answers

Answer: A resting heart rate is the heart rate of a person doing an "activity" such as sleeping, sitting, laying down. It can be used to evaluate the progress of a fitness program by judging the difference between the Resting Heart Rate, and the heart rate of someone who is active

Explanation:

Answer:

What is resting heart rate and how can it be used to evaluate the progress of a fitness program? The number of times your heart beats in 1 minute while you are not active. It can decrease your resting heart rate.

Explanation:

PLEASE QUICK ANSWER

A one-repetition maximum is most important in developing muscle ___________.
A. strength
B. size
C. endurance
D. appearate​

Answers

Answer:

strength

Explanation:

It will increase muscle mass by tearing more muscle fibers because of the sudden tension put on the muscle fibers

Answer:

 strength

Explanation:

Which activity will not strengthen your heart and lungs?

Answers

Flexibility because it’s just stretching and your really not working out the heart and lungs so your usually just being flexible to your whole body

Answer:

Stretching

Explanation:

Why would a school implement the Healthier US School Challenge?

Answers

Answer:

to make kids more motivated to change what they eat on a daily basis with an incentive

Briefly describe some examples of negative ways to cope with stress

Answers

Answer:

1. kicking walls 2.geting mad at life 3.screaming

Explanation:

hope this helps

Answer:

- Not tell anyone your situation

-Letting your stress out on others

-Keeping all your stress to yourself

Explanation:

If you don't tell anyone about your situation then that can result in your stress growing bigger, if your stress gets bigger that won't help you solve it. If you let it out on others then that can result in you losing relationships with those you care about because they will only think that you just have anger issues. Lastly if you keep all your stress to your self then you won't solve the problem because keeping all your stress to yourself is like putting your stress in a bottle and if you put all your stress in a bottle that wont make it vanish but only make it grow bigger.

Sorry if this dose not explain it to well :)

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