Answer:
<em>Hello There. The answer is Both </em>provide evidence<em> for evolution. Homologous </em>structures <em>are structures that are similar in related organisms because they were inherited from a </em>common ancestor. <em>These </em>structures may or may not have the same function <em>in the descendants. </em>
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An orbital is the most probable location of an electron. This is because you can't pinpoint the exact location of an electron because as soon as you do it will have moved again, so orbitals are used to find the probability of where a certain electron is.
Gravity is one major part of that thing because gravity wants to pull down on things. Another part of it is the kinetic/potential energy because with each bounce it goes lower the less kinetic energy it has.
