How do people tend to use land as the human population increases? A. Grasslands are used for cropland.
B. Urban land becomes cropland.
C. More land becomes available for wildlife habitats.
D. Developed land is converted to wetlands.

How many major plates cover the earth

How does science influence the decisions made about social, economic, and political issues?

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.