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NeX [460]
3 years ago
15

The chief function of muscles is _____. contraction absorption excretion protection

Chemistry
2 answers:
Vilka [71]3 years ago
8 0
Contraction the progress in which a muscle becomes or is made shorter and stronger :))))))))))
denpristay [2]3 years ago
3 0

Answer:

The correct answer is the first option: contraction.

Explanation:

Hello!

Let's solve this!

Muscles are structures or tissues with a main function that is to contract. This happens so that we can perform each of our movements.

They are divided into smooth muscles and skeletal muscles.

We conclude that the correct answer is the first option: contraction.

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What is the definition of Solvent
Helen [10]
A solvent (from the Latin solvō, "I loosen, untie, I solve") is a substance that dissolves a solute (a chemically distinct liquid, solid or gas), resulting in a solution. A solvent is usually a liquid but can also be a solid or a gas. The quantity of solute that can dissolve in a specific volume of solvent varies with temperature. Common uses for organic solvents are in dry cleaning (e.g., tetrachloroethylene), as paint thinners (e.g., toluene, turpentine), as nail polish removers and glue solvents (acetone, methyl acetate, ethyl acetate), in spot removers (e.g., hexane, petrol ether), in detergents (citrus terpenes) and in perfumes (ethanol). Water is a solvent for polar molecules and the most common solvent used by living things; all the ions and proteins in a cell are dissolved in water within a cell. Solvents find various applications in chemical, pharmaceutical, oil, and gas industries, including in chemical syntheses and purification processes.


source: wikapedia
4 0
3 years ago
Read 2 more answers
3. The scientific study of how organisms are classified is called _____.
Vilka [71]
Hey mate!

Taxonomy is the <span>study of classification of organisms. Therefore, your answer is A.

Hope this helps!</span>
3 0
3 years ago
At the beach, a student fills two beach pails, one with sand and one with seawater. She places both pails in the same spot in th
Gnesinka [82]

Answer:

Which word in the following sentence is a linking verb?

The gym became noisy when fans stamped and cheered for the home team.

A. became

B. noisy

C. stamped

D. cheered

Which word in the following sentence is a linking verb?

The gym became noisy when fans stamped and cheered for the home team.

A. became

B. noisy

C. stamped

D. cheered

Explanation:

Which word in the following sentence is a linking verb?

The gym became noisy when fans stamped and cheered for the home team.

A. became

B. noisy

C. stamped

D. cheered

7 0
2 years ago
Read 2 more answers
Argon occupies a volume of 28.3 L at a pressure of 0.36 atm. Find the volume of argon when the pressure is increased to 0.85 atm
FromTheMoon [43]

Answer:

12

Explanation:

Boyles law

P1 (.36)

V1(28.3)

P2(.85)

V2(?)

P1*V1=P2*V2

plug it in, and you get 12

3 0
3 years ago
At a certain temperature and pressure, 0.20 mol of carbon dioxide has a volume of 3.1 L. A 3.1-L sample of hydrogen at the same
Arada [10]

A 3.1 L sample of hydrogen <u>d. contains the same number of molecules</u>

as 3.1 L of carbon dioxide at the same temperature and pressure.

This is the fundamental principle of <em>Avogadro’s hypothesis</em>: equal volume of gases at the same temperature and pressure contain the same number of molecules.

The sample of carbon dioxide has a <em>greater mass</em>, a <em>greater number of atoms</em>, and a <em>greater density</em>, than the sample of hydrogen.  

7 0
3 years ago
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