It’s important because it helps maintain the soil especially if the soil has low organic matter.
It changes because the age increases
In ancient times, people classified plants and animals by use. Like for plants they are being classified as beneficial or harmful. While for animals, they are classified as domestic animals, wild animals, creeping animals, flying animals, and sea animals.
The answer is C or B.
If it was permeable water and other substances could get through.
And hard? That is one of those answer choices teachers throw in to try and make an obvious elimination choice.
I hope I have helped!
Answer:
Most macromolecules are made from single subunits,called monomers. The monomers....building blocks are combine with each other using covalent bonds to form larger molecules called polymers.
Monomers release water molecules as by-products and this process is called condensation.
