Please help with this question I am so confused!​

About __ of the mass of the cell is water

Which of the following human activities resulted in the growth of the north american deer population?

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.