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Feliz [49]
3 years ago
8

Which of the following best explains why ecosystems need a continual influx of new energy?

Biology
1 answer:
Viktor [21]3 years ago
8 0
Energy flows through an ecosystem and cannot be recycled. 
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Polymers are formed via dehydration reactions by molecules. Which of the following best describes a dehydration reaction?
netineya [11]

The correct answer is; "Assembling molecules in either hydroxyl or carboxyl functional groups"

Polymers are formed from monomers either by condensation or by addition of monomers.

A polymer is formed by the joining of one or more monomers. This can happen in either of the following ways;

  • condensation
  • addition

Condensation polymerization involves the loss of a small molecule. When the molecule that is lost is water, we can call it dehydration. Loss of molecules does not occur in addition polymerization.

The two monomer molecules that join to yield the polymer by dehydration must have H and OH moieties in suitable positions for dehydration to occur. A typical example is assembling molecules in either hydroxyl or carboxyl functional groups.

For more about condensation polymerization, see

brainly.com/question/18701826

7 0
3 years ago
Which of the following BEST defines cellular respiration?
kvv77 [185]

Answer:

Option A and B im leaning more towards option B

Explanation:

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A skateboarder begins going down a ramp with an initial velocity of 1.0 m/s. After 3 seconds, her speed
kati45 [8]

Answer:

1.0 m/s

Explanation:

5 0
3 years ago
What are monomers or building blocks of proteins, nucleic acids, carbohydrates and lipids?
kiruha [24]

Answer:Carbohydrates provide energy to the body, particularly through glucose, a simple sugar ... Lipids are also the building blocks of many hormones and are an important constituent of the plasma membrane ... Amino acids are the monomers that make up proteins. Nucleic acids are key macromolecules in the continuity of life.

Hope this helps!!! Brainlist plz?

4 0
3 years ago
Which adaptations may predators have to better suit them to catching prey? Tick all that apply.
Vlada [557]

Answer:

sharp teeth, good all-round eyesight,  excellent hearing

Explanation:

it helps them

8 0
2 years ago
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