PLEASE HELP The graph below shows atmospheric carbon dioxide levels since the year 1880. Which of the following conclusions can be drawn from this graph?

A.) Atmospheric carbon dioxide levels are responsible for global temperature change.

B.) Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.

C.) Atmospheric carbon dioxide levels have remained the same over the past century.

D.) Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes

In the presence of oxygen, glycolysis is followed a. the krebs cycle b. lactic acid fermentation c. alcoholic fermentation d. photosynthesis