Which of the following is not evidence of convex and/or concave lenses being used to perform a task?

watching for nearby cars getting too close in your side view mirrors.

watching snow fall through your living room window.

being able to read a far away sign with new contacts.

examining a skin cell in detail with a microscope.

What are two reasons for why a species might disappear from the fossil record?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which feature of a human community is similar to a niche in a biological community