What happens to the ozone layer as humans use aerosols and other products that produce chlorofluorocarbons?

moves upward

increases

decreases

stays the same

A meter contains how many centimeters

What type of microscope would be used in the laboratory to observe very small objects or organisms on a slide?

You have a 12 sided cube that is numbered from 1 to 12. What is the probability of rolling a 5? 50% 75%

A cell that requires a lot of energy might contain large numbers of what organelle

9. A climax community will persist until it is altered by- A) a major change in an abiotic factor
 B) seasonal dieback of vegetation
 C) the reappearance of lichens and mosses

Large cell that engulfs foreign material and worn out red cells:

What direction do electrons flow in an electrolytic cell?

If a pea plant has a genotype SSTt, what are the possible genetic combinations that could be present in a single grain of pollen produced by the plant?

Which athlete is most likely to suffer from hyponatremia?

Consider the following hypothetical scenario: An ancestral species of duck had a varied diet that included aquatic plants and terrestrial plants and insects. These ducks spent time on both land and water.