Answer:
A breath
Explanation:
When you breathe in you have to let out said breath
Answer:
If you mean the start of it well it is simply from the start due to eating food in need of necessary hunger
Explanation:
It’s good to move around and touch things it builds you immune system.
The answer is lipids.
<span>The macromolecules with the highest number of carbon-hydrogen (C-H) bonds are the lipids. The one of the main functions of the lipids is energy storage, therefore, they contain many C-H bonds which contain potential energy. Although carbohydrates can also store energy, they contain much oxygen .
So, he will need mostly black and red balls for a model of lipids.</span>