What happens to the carbon dioxide produced by cellular respiration? a. it is reused by the body as glucose. b. it is excreted from the body as liquid waste. c. it is excreted from the body as solid waste. d. it is breathed out of the body by the lungs.

Climate like that in the sahara desert have the fastest rates of weathering

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a). it must be open to modification if new evidence doesn't completely support it. b). it must be based on scientific observations that can be repeated in a controlled setting. c). it must be applicable to future events and occurrences. d). it must be consistent with only a small portion of relevant observations or data.