Why is the carbon stock in the boreal forest soil twice as high as that found in the tropical forests?

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

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