The answer is nucleic acid. Every nucleic acid is composed by a base, a sugar and a phosphate group. And they can form DNA or RNA by combining together.
chemical formula??! do you mean O2
Because plants go through a cycle(the cycle is seed, seedling, plant, flower and tree.) and it takes time for the plant food, water, and nutrients to go though the plant.
<span>redatory animal do target the older and/or weaker prey purely because they understand those animals would be easier to take down. But on the other hand, predators do not exclusively hunt older or sick prey. They usually just single one animal out and chase. </span>
