Leketa is a secret agent. She needs to send secret messages to her partner, Daniel. Leketa uses the sound waves from the beat of a drum to send her messages. Leketa and Daniel create a secret code using a pattern of drum beats to communicate with one another. In which of the following places would using a drum work to send her secret messages?
A. The drum will work on Earth, under the water, and in outer space.
B. The drum will work on Earth and under the water. The drum will not work in outer space.
C. The drum will work on Earth and in outer space. The drum will not work under the water.
D. The drum will work under the water and in outer space. The drum will not work on Earth.


Why did you choose your answer to Question 4? Explain in terms of sound waves.

Answers

Answer 1

Answer:

C.  The drum will work on Earth and in outer space. The drum will not work under the water.


Related Questions

Is a volcano part of the lithosphere? Explain. NO WEIRD LINKS!

Answers

Answer: Tectonic activity is responsible for some of Earth's most dramatic geologic events: earthquakes, volcanoes, orogeny (mountain-building), and deep ocean trenches can all be formed by tectonic activity in the lithosphere.

Please give me brainlest if this helps.

Type 1 diabetes is an autoimmune disease that causes an increase in the amount of glucose in blood and urine. Which statement
CORRECTLY describes the cause of this disease?
A)
the increase in the insulin producing ability of white blood cells
B)
the loss of the insulin producing ability of the nephrons of the kidney
the loss of the insulin producing ability of the beta cells of the pancreas
D)
the increase in the insulin producing ability of the epithelial cells of bile
duct

Answers

Answer:

C) the loss of the insulin producing ability of the beta cells of the pancreas

Explanation:

Without diabetes, insulin produced in the pancreas on islets of Langerhans by beta cells to regulate blood sugar levels. Type 1 diabetes occurs when the pancreas produces little to no insulin.

PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.

Answers

Answer:

b. 10,000 plants

Explanation:

Producers, plants, contain the most stored energy in an energy pyramid.

I hope this helped :)

Is 100 because the plant conté in de most


Scientists once classified fungi as types of plants. Today, fungi are classified in their own kingdom. Which of these
traits distinguishes fungi from plants?
A Fungi have cell walls made of chitin and are heterotrophic.
B Fungi grow in the ground and are photosynthetic.
С Fungi reproduce by asexual reproduction.
D Fungi are prokaryotes.

Answers

Answer:

D is the answer hope it helps

There is a sudden decrease in the food availability for wading birds. Make a claim about how the different levels of organization shown in the diagram will be affected. Summarize evidence to support your claim and explain your reasoning.

Answers

Answer:

I'm sorry I can't answer this I'm trying to get more points

plz help giving brainliest!!!!!
What is the function of the outer covering in fish?
1 Protects the fish from their environment
2 Supports the body and internal organs
3 Used for reproduction
4 Works with the muscles to allow movement

Answers

Answer:

Your answer is A,

Explanation: D can be argued for as well but those are the secondary functions of scales. Their main function is to protect the fish.

Many fish contain an outer covering of scales. Scales protect fish, much like a suit of armor. All fish have a dirty covering of mucus. This substance permits the fish to swim through the water with very little yawn and also makes it hard for other organism to adhere to the fish.

What are the functions of the parts of a fish?

The dorsal and ventral fins mainly help fish to not move over onto their flanks.

The caudal fin is the main fin for propulsion to move the fish forward. The coupled fins help with steering, stopping and hovering.

Thus option "A" is correct,  Protects the fish from their environment.

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Which 4 body sydtems interact to allow a person to sneeze

Answers

Answer:

I think four body system is Muscular, immune, nervous, respiratory.

Explanation:

Two related species metabolize glucose using the exact same pathways (glycolysis, citric acid cycle, oxidative phosphorylation). Experiments show, however, that species A generates only 83% of the ATP compared to species B when provided with the same amount of glucose. What could be a potential reason for this outcome

Answers

Answer:

The correct answer is - there is a 12-Carbon ring in ATP synthase of species A whereas species B contains a 10-carbon ring.

Explanation:

ATP Synthase is a protein complex that catalyzes the transfer of the protons down the gradient build by the action of the electron system in the mitochondria and makes ATP from ADP molecules.

The higher number of carbon in ATP synthase will require more protons to rotate to produce 3 ATP in this process so, if species A has more carbon present it will take more protons and able to produce only 83% of ATP compared to species B.

Which answer is the best representation for the shaded region?

Answers

Answer:

peoples do worship

everyone worships

help me out please!!!!

Answers

Answer:

It is c.

Explanation:

Question 23
Nerve impulses leading to the brain carry information about cool temperatures on the skin. The nerve fibers sending these signals will most likely belong to which division of the nervous system?
A) Somatic nervous system.
B) Parasympathetic division
C) Sympathetic division
D) Sensory (afferent) division

Please give a brief explanation for each one correct one or incorrect one.

Answers

D. Sensory ( afferent) division

what do rabies and hiv have in common

Answers

What common about rabies and hiv is that the disease can infect your whole body and also hiv and rabies can kill

Hope it hopes
What rabies and hiv have in common is they both can lead to death if not caught early.

One scientist kept 20 grams of a radioactive material in a container. What will be the
mass of the radioactive material left in the container after 2 half lives?

40 grams
4 grams
10 grams
5 grams

Answers

After one half-life, there would be 10 g of the material left. After two half-lives, there will be 5 g of the material left.

After one half-life, there would be 10 g of the material left.

After two half-lives, there will be 5 g of the material left.

Therefore, 5 grams is the correct answer.

What is the unit of grams?

The basic unit of mass or weight in the metric system is the gram. The most frequently used units of mass or weight used in the Canadian food industry are the gram and kilogram. Some of the types of grams are:-

Unit           Abbreviation Mass (Weight)

kilogram  kg                 1000 grams

hectogram hg                 100 grams

decagram dag                  10 grams

gram         g                   1 gram

Therefore, last option is the correct answer.

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Which statement about rocks is not true? A All rocks are made of minerals. B Rocks come in different shapes, colors, and sizes. C A rock is always made up of just one kind of mineral.​

Answers

Answer:

C. A rock is always made up of just one kind of mineral

The answer is C!! Hope this helped

Choose the following true statement about alr pollution.
All pollution can be seen with your eyes.
Not all pollution is considered to be harmful to your body.
Some type of pollution that is more harmful cannot be directly seen.
Pollution can only be found in cities.

Answers

Answer:

C

Explanation:

Many kinds of air pollution can't be seen, which means A is incorrect. Any kind of pollution can be harmful to you, which means B is incorrect too. Air pollution is very harmful but in most cases can't be directly seen, so C is correct. Pollution can be found everywhere, so D is incorrect also.

Pyramids depicting the number of organisms or biomass may be inverted, upright, or even diamond-shaped.
Energy pyramids, however, are always upright. Why?

Answers

Answer:

The correct answer is - as energy lost at every trophic level.

Explanation:

In any ecological ecosystem the energy pyramids always upright unlike other pyramids such as biomass showing the number of organisms, that can be diamond shape, inverted or upright.

The main reason behind this is due to the fact that it is only a pyramid in the ecosystem that always unidirectional in the food chain which is always some energy lost with an increase in the trophic level in the food chain. This loss of energy always gets back to the atmosphere in each step of the food chain.

As the energy is lost at every trophic level, the energy pyramids are always upright. A further explanation is below.

In whatsoever biological environment, the energy pyramid always seems to be straight, unlike some of the other pyramidal, including such biomass, which might be diamond-shaped, overturned, as well as upstanding.Essentially the food chain is simply a pyramid, and there is always some power loss as that of the primary consumers throughout the chain increases.

Thus the response above is right.

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The graphs below show the population size of Organism A in a local lake, and the average temperatures of the lake by month.

Answer choices:

A) June
B) May
C) August
D) July

Answers

Answer:

its B

Explanation:

dont ask be i just know, and i got a good grade for that work even though i was hard

Answer:

July

Explanation:

1.) The optimal temperature for the Organism A population is approximately 25°C.

2.) The month during which the average temperature of the lake is around 25°C is July.

3.) The correct answer is: July

What can HIV become? (write it out)

Answers

HIV came become AIDS (acquired immunodeficiency syndrome) if not treated.

4. The age of the Canyon Diablo meteorite was determined by
A) carbon-14
B) uranium-235
C) hydrogen-3
D) potassium-40​

Answers

Answer:

B) uranium-235

Explanation:

The age of the Canyon Diablo meteorite was determined by potassium-40​. Therefore, the correct option is option D.

Before entering Earth's atmosphere, the Canyon Diablo meteorite is thought to have weighed about 300,000 tonnes. It was most likely a component of the asteroid belt that lies between Mars and Jupiter. The Canyon Diablo meteorite is frequently linked to the Asteroid 1 Ceres, one of the biggest bodies in the asteroid belt. The Canyon Diablo meteorite is notable in particular for the effect it had when it collided with the Earth's surface. The Barringer Crater, which has a diameter of roughly 1,200 metres and a depth of 170 metres, was generated by the collision.

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According to Charles Darwin theory of natural selection

Answers

the answer should be the species most adaptable to changes (like in the environment etc.) but I would go for C or D

Answer:

C or D

Explanation:

the answer should be the species most adaptable to changes (like in the environment etc.) but I would go for C or D

what is needed in the plant for cell division​

Answers

Glucose is needed because it is a source of energy for the cell and the cell structure. It is also important for understanding cell growth, division and quiescence.

a male is born colorblind what do we know about his mother

Answers

The color blindness is passed from the mother to the sun on the 23rd chromosome
The color blindness is a non dominant trait so it shows that the mother carries the non dominant trait through chromosomes

You would expect a cell with extensive Golgi apparatus to

Answers

Answer:

secrete a lot of material.

List 4 significant problems with nuclear power plants.

Answers

Answer:

Risk of a Meltdown, Weapons Proliferation Risk, Cost, Nuclear Waste

Explanation:

Answer:

According to the article https://www.leonardodicaprio.org/the-7-reasons-why-nuclear-energy-is-not-the-answer-to-solve-climate-change/ there are 7 problems so pick your favorites I guess

1) It takes a very long time to go from from planning to operation

2) The cost

3) Weapon Proliferation risk

4) Meltdown risk

5) Mining leads to lung cancer

6) Miscalculations of CO2 equivalences

7) Radioactive waste

Transplration is the process by which _______.

plants add water to the atmosphere
animals break down food into energy
plants break down food into energy
plants make food. Please answer fast

Answers

Answer:

plants add water to the atmosphere

Explanation:

transpiration is the loss of water from the plants in the form of water vapors ... so that way...

Answer:

Plants add water to the atmosphere

Explanation:

Water is given out as vapour into the air

Is this correct? If not plz help

Answers

Answer:

Where is the question?

Explanation:

Why is color NOT the best property to identify minerals A) different minerals can have the exact same colors B) all minerals have the same streak C) color can change due to impurities D) all minerals have one type of element

Answers

Answer:

b

Explanation:

gthtrhm xkcnsdvnsf

List 4 significant problems with nuclear power plants....,,,,,?

Answers

Barriers to and risks associated with an increasing use of nuclear energy include operational risks and the associated safety concerns, uranium mining risks, financial and regulatory risks, unresolved waste management issues, nuclear weapons proliferation concerns, and adverse public opinion. Hope this helps!

Which of the following is correct regarding expiration?
diaphragm relaxes, volume increases, pressure decreases and air moves into the
lungs
diaphragm relaxes, volume decreases pressure increases and air moves out of
the lungs
diaphragm relaxes, volume decreases, pressure decreases and air moves out of
the lungs
diaphragm relaxes, volume decreases, pressure decreases and air moves into the
lungs
sley
diaphragm relaxes, volume increases, pressure increases and air moves into the
lungs
diaphragm relaxes, volume increases, pressure decreases and air moves out of
the lungs

Answers

The correct answer is B, diaphragm relaxes, volume decreases, pressure increases and air moves out of the lungs.

Pressure and Volume are inversely related

HELP ASAP!! In angiosperms, reproduction takes place in
A-cones ,
B-pollen.
C-flowers.
D-leaves.

Answers

Answer:

i think ur answer B.)

Explanation:

sorry if wrong

hope this helps

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