Red blood cells carry oxygen white blood cells fight germs
Hey!
Mutualism is when both species benefit. So, your answer is A. Mutualism.
Answer:
Metamorphic - existing rocks are exposed to extreme conditions
Sedimentary - layers of sediment dry together
igneous - magma or lava solidifies
The answer is the superposition principle.
The superposition principle states that the oldest rocks occurs on the <span>bottom of an undisturbed rock sequence. In other words, if the layers or rocks have not been disturbed, older rocks will lie beneath younger rocks. The principle is one of the most fundamental principles of geology. It could be very useful in determination of relative age of fossils.</span>
