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Biology

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Doris Carter

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3y ago
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Cards in this guide (6)
Why are some people fat and others are not

One reason people are fat is because they eat and eat and eat and don't exercise. Another reason is because some people have fast working calorie burning systems and some people have slow ones causing them to be fat.

It might be that those people that are not fat have high metabolism you eat as much as you want and not get fat.

Dissolving salt into water is it physical or chemical change

Dissolving in water is a physical change.

Why can a more complex sugar polysaccharide store more energy than a monosaccharide

Polysaccharides have more chemical bonds.

In what way are living organisms on earth similar

They are all assembled from a nucleic acid code

What type of molecule allows a blade of grass to stand up straight

Turgor pressure is what allows a blade of grass to stand up straight. This is a type of a molecule.

Is burning wood a chemical or physical change'

Burning wood is clearly a chemical change.

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