47.) what are you actually measuring when you find the temperature of a substance? 48.) list three fossil fuels. how are they different from each other?

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 answer is b. glad to .