| D 2. 10) Choose the best answer. What is the net energy ratio for PV cells? 8.6-9 5.6-7 6.5-8

well, the answer is 3 - 6 but

Explanation:

1.solid

2.carbon dioxide

3.helium

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?