Well theory isnt proven. It means you have a strong idea about the subject your talking about. So if a scientist finds evidence that suggests something against the theory then it can be changed.
Oceans, Seas, and bodies of fresh water
<span>The youngest rock layers are at the top and the oldest are at the bottom, which is described by the law of superposition.</span><span>Fossil layers are fossils that formed in sedimentary rock. Sedimentary rock is rock that is formed in layers by the depositing and pressing of sediments on top of each other. </span>
Small population usually cant find a mate or be able to continue a species.
The answer is a. plants get food from the sun in photosynthesis and an animal will eat that plant and another animal will eat that animal.
