A protective layer that shields the surface from lethal ultraviolet light is found in the layer of the atmosphere known as the Stratosphere.
Therefore, the correct answer is option C for this specific statement.<span />
What this student is doing is collecting data. So, he wants to check how many life forms there are in the waters nearby. In order to do so, he has to take a sample, and look at it through a microscope so as to determine the number. So, he collected a sample which is his data. He is not drawing conclusions yet, but rather counting these organisms. He is not making a peer review - his peers aren't even mentioned here. He is not forming a hypothesis because he is just counting at this point.
Answer:
No, because in mammals the male transfers his genes by fertilizing the female directly. In plants, there even could be, the plant fertilizing itself, but the pollen is transferred differently than the mammal.
1. D) ball and socket
2. B) finger and elbow
3. B) hypodermis, dermis, epidermis
4. C) sunscreen
5. D) two bones meeting at a joint