During Earth's history, what was the effect of photosynthetic bacteria removing mass amounts of carbon dioxide from the atmosphere?
Select one:

They increased the average temperature on Earth.

They caused sea levels to rise.

They decreased the amount of oxygen in the atmosphere.

They triggered an ice age.

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.