Answer:
70%
air water and food
carbon dioxide
oxygen
a green pigment
heterotroph
Explanation:
sorry if its wrong i used my best of knowledge i didnt rlly understand most of it
Answer:
1) 70% or more
2) Air
3) True
4) False
5) Sunlight
6) Heterotroph
Explanation:
Hope it helps!
Examples and connections to the word: Digital. Will give brainliest. 3 for each!
Answer: I think this is what your working for.
Examples of digital media include software, digital images, digital video, video games, web pages and websites, social media, digital data and databases, digital audio such as MP3, electronic documents and electronic books.
Homeostasis means maintaining
Your answer:
varied internal conditions.
varied offspring.
similar offspring.
stable internal conditions.
plz help this for sience
Jamie works at a company that makes cleaning chemicals. She is trying to make a chemical that smells like flowers. She took two samples that were gases at room temperature and mixed them in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.After mixing, Jamie found two substances that smelled like flowers in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?
Answer:
c
Explanation:
Answer:
C
Explanation:
What else should I add for creativity? Or else I won’t receive credit
Answer:
color the star with some spacey color(purpel, lavender, white spots)
You can also cover the rest of paper with different objects from space :)
Explanation:
Answer:
More colors and add some planets.
help in timed
Scientists improved Mendeleev’s early periodic table by _____.
using numbers of neutrons and protons to organize the elements by their properties
using atomic number instead of atomic mass to organize the elements
including physical properties of elements such as melting point and density
including chemical properties of elements such as the ability to burn or to tarnish
Santiago is a chemist working to make a new kind of antacid, which is a medicine that helps with stomach pain. He mixed two powdery solid substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.After mixing, Santiago found two liquid substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?
Answer:
C
Explanation:
Santiago mare two powdery solid substances. hope this helped
The diagram which shows the repeating groups of atoms that make up the ending substances is C.
What are repeating group?Repeating group is defined as a group of fields or attributes that show up repeatedly in a database table. It is a widespread issue that affects both big and small businesses, and it can have a variety of effects. An attribute that appears more than once in each row of a table is known as a repeating group. A relational table cannot contain "repeating groups," as they are a feature of pre-relational systems.
On most metals, a reaction could be seen when acids were applied. A gas and heat were created when the metal vanished. The new chemicals' chemical characteristics are distinct from those of the original substances.
Thus, the diagram which shows the repeating groups of atoms that make up the ending substances is C.
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Suppose a snack bar is burned in a calorimeter and heats 2,000 g water by 20 °C. How much heat energy was released? (Hint: Use the specific heat equation.) Give your answer in both joules and calorie
Answer:
Explanation:
Remember that the key is the water so
using the formula q=m*s*deltT
We have the mass 2000g
we have the specific heat of water which is 1.00 cal/ g C
and the final temperature 20 C
Remember that delt T is the change in temperature meaning (Tfinal - Tinitial) Assuming that the water is at room temperature (25 C) before starting the reaction then
q= (2000 g)(1.00 cal/g C)(20-25)
q= -10, 000 cal
if you want you can convert to joules by multiplying by 4.314 J
In more simpler terms - If all the heat released was absorbed by the water, and it takes 1 calorie of heat to raise
the temperature of 1 gram of water by 1°C that is a total of 20 times 2000 or 40,000 cal.
or 40 kilocalories. If you want it in joules, there are 4.184 joules to one calorie so it is
4.184 times 40 or 167.36 kilojoules.
Hope that helped
A snack that, when burned, heats 2,000 g of water by 20 °C, releases 4.0 × 10⁴ cal (1.7 × 10⁵ J).
A snack bar is burned in a calorimeter and heats 2,000 g (m) of water by 20 °C (ΔT).
We can calculate the heat absorbed by the water (Qw) using the following expression.
[tex]Qw = c \times m \times \Delta T = \frac{1cal}{g.\° C } \times 2,000 g \times 20 \° C = 4.0 \times 10^{4} cal[/tex]
where,
c: specific heat capacity of waterAccording to the law of conservation of energy, the sum of the heat absorbed by the water (Qw) and the heat released by the combustion (Qc) is zero.
[tex]Qw + Qc = 0\\\\Qc = -Qw = -4.0 \times 10^{4} cal[/tex]
Finally, we can convert -4.0 × 10⁴ cal to J using the conversion factor 1 cal = 4.18 J.
[tex]-4.0 \times 10^{4} cal \times \frac{4.18 J}{1cal} = 1.7 \times 10^{5} J[/tex]
A snack that, when burned, heats 2,000 g of water by 20 °C, releases 4.0 × 10⁴ cal (1.7 × 10⁵ J).
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The question is in the photo
Answer:
#3 i think (:
Explanation:
HELPPP PLEASEEEEEE DUE TODAY :(
Closing statement: In three to four sentences explain how your plant rankings could protect the dunes.
My plant rankings:
1. Sea oats
2. European Beach Grass
3. Salt Meadow Court Grass
4. Bitter Panicum
5. Coastal panic grass
6. Seashore elder
7. American Beachgrass
(ranked 1 is best 7 is worst)
Answer:
1,3,4,5, and 7. I think.
2 questions
Popeyes or KFC
Mcdonalds, Wendys, Burger King, Shake Shack, or Chick Fil A
Answer:
Chick-fli-a
Explanation:
Answer:
Chick-Fil-A
Explanation:
HMH Daily Demo Lab: Water Magic
Electric Charge (guided inquiry)
Purpose: To show how matter becomes charged by induction
Materials: comb, sink with working faucet
Predict: Predict what you think will happen to the charges of the comb and water if the comb comes in contact with the water. Record your hypothesis before following the directions below to carry out the lab experiment. The charges would attract. How and why is what I don’t know.
Directions:
1. Turn on a faucet just enough to allow a thin stream of water to flow.
2. Have a student volunteer-run a comb through his/ her hair a few times.
3. Observe. Tell the student to hold the comb near, but not touching, the stream of water.
4. Answer all questions below in complete sentences, using the R.A.C.E. strategy.
Ask and record your findings: What do you observe? Describe. I observed the stream of water bend toward the comb. I gave the comb electric charge by passing a comb through my sister’s hair and that allowed the comb to bend the stream of water.
Ask and record your findings: What does this indicate (show)? Explain. I
Observe:
1. To test students’ predictions, have the student volunteer pass the comb through the water.
2. Then have them move the comb so that it is near but not touching the water.
Ask and record your findings: What do you observe? Describe. WILL GIVE BRAINLIEST
Answer:
3
Explanation:
this is the question and i dont know which reasoning i should use for the claim "If you follow the instructions, the POW kits will always heat the water above the correct temperature for pasteurization (65°C), but some people didn’t follow the instructions."
Answer:
I think this evidence supports this claim because Evidence Card b says “One man got sick, but his two children did not. He used water from Whip River. He used the cube to heat the first pitcher of water, which he gave to his kids, and then reused the cube without reheating for the second pitcher, which he drank himself.”
Explanation:
The correct reasoning for the given claim is shown by evidence 2.
What is water pasteurization?
Pasteurization is a method of disinfecting water without boiling it using heat or radiation.
Evidence 2 is the correct reasoning to explain the fact that if we follow the instructions the kit will always heat the water above the correct temperature for pasteurization (65°C). Second evidence is that “One man got sick, but his two children did not. He used water from Whip River. He used the cube to heat the first pitcher of water, which he gave to his kids, and then reused the cube without reheating for the second pitcher, which he drank himself.”
Hence evidence 2 is the correct reasoning.
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What is a tornado and how does it form? ( Don't search the answer )
Answer: when hot air and cold air clash they spin creating a vaccum which causes a tornado
Explanation:
Answer:
A tornado is a wind tunel (that's probaly spelled wrong). It basically happens when wind is spinning in a circle, and it keeps picking up. This is a reason why tornados don't survive in hilly places.
Explanation:
I think...
Which has a positive charge?
neutrons and the nucleus
protons and neutrons
neutrons and electrons
protons and the nucleus
protons and the nucleus
Because protons has positive charge. Neutrons have no charge. Nucleus contains protons and neutrons, so it adds up to result in a positive charge.
What do members of a particular species living in a specific area always form?
population
individual organisms
community
ecosystem
Answer:
Yeah, probably population.
Explanation:
Population as in the species' population.
The speedometer in a car does not measure the car’s velocity because velocity is
Answer:
Speed in a specific direction
Explanation:
Answer:
It does not indicate the car's direction.
Explanation:
Since velocity is both magnitude and direction, the speedometer measures speed but does NOT measure velocity
(PLEASE answer with the right answers and don't just try and get the points) Answer each one to get 50 points. this is a risk but I really need this question. oh right and thank you to whoever answers! ^>^
Having to do with turning a fraction over defines the word _____.
-Inertia
-Inversely
-Force
-Proportional
Answer:
inertia
Explanation:
Answer:
Inversely
Explanation:
Aiden has $100 in a savings account that earns 10% annually.The interest is not compounded. How much will he have in 1 year?
Answer:
Explanation:
Sorry dunno
1. Which statement is a correct interpretation of the data in the graph?
A. As water temperature increases, solubility decreases.
B. As water temperature increases, solubility increases.
C. As water temperature increases, solubility remains constant.
D. As water temperature increases, solubility decreases and then increases.
Answer:
B
Explanation:
yoo i need help please my parents are very mad:(
Answer: I got you! Here are my answers !
Explanation:
1) 14/2=7m/s^2
2)30-0/12=2.5m/s^2
3)37-22/2=7.5m/s^2
4)12-0/8=1.5 km/2^2
5)8-0/3=2.7m/s^2 (cyclist) (Car) 30-0/8=3.75m/s^2
6)70-0/1.94x10^-3=36000km/h^2
7)10-2/4=2m/s^2
Make this brainliest! Thank you!
An element’s properties can be predicted from _____.
the number of its neutrons
its atomic mass
its location in the periodic table
the number of its electrons
A periodic table can be used to forecast an element's properties. As we drop into a group or go across a period in the Periodic Table, we can observe a variety of patterns in the physical and chemical characteristics of the elements. The correct option is C.
Each element's location in the table provides crucial details regarding its composition, characteristics, and behavior during chemical reactions. In particular, you may determine an element's electron configuration that is, how the electrons are arranged around the nucleus by looking at where it is in the periodic table.
The group (vertical column) number in the Periodic Table can be used to calculate an element's number of valence electrons. The chemical characteristics of elements with the same number of valence electrons are comparable.
Thus the correct option is C.
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help plz?
explain what is sorted sediment. why does it occur?
Answer:
Particles become sorted on the basis of density, because of the energy of the transporting medium. High energy currents can carry larger fragments. As the energy decreases, heavier particles are deposited and lighter fragments continue to be transported. This results in sorting due to density.
Explanation:
What is the basic level of an ecosystem?
ecosystem
individual organisms
population
community
Answer:
(B) individual organisms
Brainliest
Latitude determines how much intense sun an area gets, but what other factors can impact regional climate?
A. The weather forecast
B. Population
C. Ocean currents, mountains, and altitude
D. The type of animals that live there
Answer:
B I think sorry if I get this wrong
For the following question, select the correct chemical formula for the elements if they were to bong together.
Iodine and Bromine
ionic
metallic
covalent
noble
Answer:
Ionic
Explanation:
Lithium is an alkali metal and form an ionic bond by donating an electron.
Fluorine is a halogen and forms ionic bonds by accepting an electron.
The electronegativity difference between lithium (0.98) and fluorine (3.98) is 3 Pauling units. Usually, when elements have a difference of 1.7 (or 2.0) Pauling units the bond is classified as ionic.
Hope this helps! If you have any more questions or need more explanation please leave a comment down below and I will reply ASAP. Good luck!
Which two of the following organisms are omnivores in this food web?
A) rotifer
B) black
C) golden algae
D) copepod
Define the kinetic theory of matter (use these words “explains, energy, particles, increase, decrease.”
Answer:
The kinetic theory of matter explains that all matter is made of particles which are constantly moving/have energy. The energy varies depending on the temperature of the matter, therefore determining if the matter is solid, liquid, or gas. When the energy of a particle is increased or decreased, a phase change can occur.
HMH Daily Demo Lab: Water Magic
Electric Charge (guided inquiry)
Purpose: To show how matter becomes charged by induction
Materials: comb, sink with working faucet
Predict: Predict what you think will happen to the charges of the comb and water if the comb comes in contact with the water. Record your hypothesis before following the directions below to carry out the lab experiment. The charges would attract. How and why is what I don’t know.
Directions:
1. Turn on a faucet just enough to allow a thin stream of water to flow.
2. Have a student volunteer-run a comb through his/ her hair a few times.
3. Observe. Tell the student to hold the comb near, but not touching, the stream of water.
4. Answer all questions below in complete sentences, using the R.A.C.E. strategy.
Ask and record your findings: What do you observe? Describe. I observed the stream of water bend toward the comb. I gave the comb electric charge by passing a comb through my sister’s hair and that allowed the comb to bend the stream of water.
Ask and record your findings: What does this indicate (show)? Explain. I
Observe:
1. To test students’ predictions, have the student volunteer pass the comb through the water.
2. Then have them move the comb so that it is near but not touching the water.
Ask and record your findings: What do you observe? Describe. WILL GIVE BRAINLIEST