Which of the following substitutions can reduce air pollution?

a.) using a bike instead of a car
b.) using dumps instead of landfills
c.) using coal instead of oil
d.) using fireplaces instead of a wind farms

Which best describes how parents affect the genotype of a child? a.the parents decide what to feed their child b.the parents choose whether to educate their child c.the parents allow their child to stay up late d. the parents pass along genes to the child

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.

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