True or false? The two chambers at the bottom of your heart are called ventricles.

Answers

Answer 1

Answer: true because its called ventricles

Answer 2

Answer: I am pretty sure it is true.

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Which of the following is an anion

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What are the choices?

When a cold can of soda is insulated, the heat flow into the can on a hot day ____.a. increases
c. stays the same
b. decreases
d. both b and c

Answers

Answer:

Option C, stays the same

Explanation:

Heat flow by vibrating the molecules in any medium. Therefore, some medium is essential for heat transfer and hence no heat flows across an insulated vacuum can. Without any medium, heat transfer is stopped which means that neither the heat from outside environment can flow into the can nor it can flow from the can into the external environment.

Hence, the heat contained within the can shall remain the same.

Thus, option C is correct

The word insulate means to protect from heat, cold,...
So when a can is insulated, means that is protected from heat.
So the answer is:
C. stays the same :)))
I hope this is helpful
have a nice day

Which of the following organisms would you expect to have the largest surface-area-to-volume ratio? Assume that all of the following are the same total length. _____ Select one: a. a rotifer b. a mollusk c. an annelid d. an arthropod e. a platyhelminth

Answers

The organism that should be expected to have the largest surface-area-to-volume ratio is option e. a platyhelminth.

What is a platyhelminth?

It contained soft bodies. it should be considered as the bilateralsymmetrical. It should be free-living in nature. Also, it consist the marinespecies and the other should live in the freshwater. The anterior part of the body should possess the mouth. Here the organ should be situated along with the size of the body.

hence, option e is correct.

learn more about an area here: brainly.com/question/24818544

Answer:

The preferable option will be - E.

E. A platyhelminth has the largest surface-area-to-volume ratio.

Explanation:

Platyhelminth :

They have soft bodies.
Their body is bilaterally symmetrical.
They are free-living.
Some of them are marine species and others live in freshwater or moist transitional environments.
At the anterior part of their body, possesses their mouth.
Their organ is situated along their body size.
They are divided into four classes such as : Turbellaria, Monogenea, Trematoda, and Cestoda.
E.g, flatworm, tapeworm, monogenea, flukes etc.

Limestone is made up of calcium carbonate. How would you expect the pH of the lake with limestone bedrock to compare with other lakes with several years of acid rain.

Answers

Answer:

See the answer below.

Explanation:

One would expect the pH of a lake with limestone bedrock to be higher than that of other lakes with several years of acid rain.

A lake with a bedrock made of limestone would be alkaline due to the weathering of the bedrock and the alkaline nature of calcium carbonate. Lakes with several years of acid rain would, of course, be acidic.

Generally, pH above 7 is alkaline while the ones below 7 are acidic. Hence, the pH of a lake with limestone bedrock will be higher (above 7) than the pH of other lakes with years of acid rain (below 7).

Witch number indicates a crest?

Answers

Crest factor 1 indicates no peaks, such as direct commander
. Higher crest factors indicate peaks, for example sound waves tend to have high crest factors.

Which of the following is a primary function of the cell membrane? Choose 1 answer:

(Choice A) DNA replication

(Choice B) Protecting organelles

(Choice C) Protein synthesis

(Choice D) Filling space between cell organelles

Answers

Answer:

(Choice B) Protecting organelles

Explanation:

As it is outer most layer so it protect the cell and it's organelles.

Answer:

Protecting organelles

Explanation:

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