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3 years ago

2. What does a cell need in order to live?

Biology

2 answers:

Alexxandr [17]3 years ago

7 0

Answer:

Oxygen,and Glucose

Explanation:

The most important things for a cell are oxygen in order to respire and Glucose, also for respiration. This is used in a process called glycolysis where the cell makes a chemical called ATP which is basically our energy. ... So basically a cell needs lots to stay alive

CaHeK987 [17]3 years ago

6 0

Answer:

Explanation:

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How are humans impacting biodiversity in ecosystems around the world? Provide two examples to support your claim.

balandron [24]

Answer:

as humans population continues to grow, we're cutting down more trees and occupying more lands to suffice the need of citizens, therefore, decreasing the forest biodiversity. Our plastic bags, as well as wastes, are polluting the ocean and eradicating essential species that are required to sustain a balance ecosystem, therefore, decreasing the biodiversity of the ocean that are required to maintain a balance environment.

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3 years ago

What are the colors of the siberian wood frog?

Nana76 [90]

Brown tan or rusted colored

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3 years ago

b. In 1979, the estimated elephant population was 1.3 million and in 2007 it was 640,000. By approximately what percentage did t

saveliy_v [14]

Answer:

The initial amount, 1.3 million = 1,300,000 is the 100%.

now, 640,000 is a given percentage (lower than 100%) of that.

How we can find it?

suppose that 640,000 represents an x%.

Then we have that the quotient between the actual quantities and the percentages must be the same

(640,000/1,300,000) = x%/100%

x% = (640,000/1,300,000)*100% = 49.23%

Then the percentage declined is:

100% - 49.23% = 50.77%

The other question can not be answered with the given information.

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3 years ago

What structures work in antagonistic pairs to move bones?

Olegator [25]

Answer

Option C - Skeletal Muscles

Explanation

Antagonistic pairs are the muscles that are functionally opposite, if one produces flexion, then the other's primary action is an extension. Skeletal muscles work in pairs to move a bone so that the muscles can function properly. They contract the bone making nerves deliver a message to the brain. For example. Biceps and triceps. The lower arm is moved upwards when the biceps muscle contracts and the triceps muscle is relaxed and vice versa.

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3 years ago

Read 2 more answers

Your county is considering the purchase of land to form a nature preserve. This land is known as a breeding habitat for an endan

Elan Coil [88]

Habitats outside the preserve area become damaged by overdevelopment.

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3 years ago