Answer:
I believe a layer deep underground would have older things, because the ground could erode over time causing the fossil to sink into the ground.
Food chains model energy flow through an ecosystem. Producers pump energy into an ecosystem from an environmental source, and this energy is then passed from one organism to the next.
<span>In
the process of polymerization, a chain of similar smaller molecules
called monomer join together to create very large molecules called
polymer. Through this chemical reaction, water is created as a
by-product. In contrast to hydrolysis or breaking down of polymers, a
water molecule is used to break the covalent bond that hold the
components of a polymer.</span>
A cation is positively charged. An anion, on the other hand, is defined as a negatively charged ion (the opposite of a cation)
This is called independent assortment
