Which examples are ways that models can help scientists solve problems? Select all that apply.

A. A model can represent something very large like the solar system.

B. A model can represent something very small like a single cell.

C. A model can represent something very complex like the flow of energy in an ecosystem.

D. A model can represent something that cannot be seen or touched.

E. A model can represent every aspect of a complex system.

1.A model can represent something very large like the solar system.

2.A model can represent something very small like a single cell.

3.A model can represent something very complex like the flow of energy in          an ecosystem.

4.A model can represent something that cannot be seen or touched.

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

hope this

tobey

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.