Because fresh water is constantly be evaporated from the ocean and then replaced by rivers, the salinity of the oceans a. decreases
b. remains balanced
c. increases

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase

Select the star life cycle that is accurate