Why would using limestone to create concrete affect the amount of carbon in the atmosphere? (Hint: Wet concrete gets very warm.) *

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.