How many valence electrons does phosphorus have?

A.6

B.4

C.5

D.3

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Which of the following are responsible for sending messages from the hypothalamus to the thalamus?

Currents are caused by temperature and density differences