What charge should be placed in the table for an electron?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

What is the goal of cellular respiration