Which of the following statements is true in humans? a)Mitosis is needed for sexual reproduction to take place.
b)Meiosis produces cells that have a diploid number of chromosomes.
c)Mitosis produces cells that have a haploid number of chromosomes.
d)Meiosis produces gametes that have a haploid number of chromosomes.

If animal agriculture was eliminated, how much grain would become available for human consumption?

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium

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.