What might happen in a tropical rainforest biome if the area receives very little rain for an extended period of time

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

What household products contain algae?