The vernal equinox has just occurred in the northern hemisphere. which of the following would you expect to be true?
(choose 2)
a. temperatures will being to cool.
b. the hours of light will begin to exceed the hours of dark.
c. temperatures will begin to warm.
d. the hours of dark will begin to exceed the hours of light.

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.