Which part of the sun can you see only during an eclipse?

a) chromospheres

b) sunspot

c) corona

d) photosphere

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

How does natural selection change thephenotypes within a population over time?

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.