Coal, natural gas, and oil are called "fossil fuels" because they a. made from fossils b. found underwater c. made from the remains of living organisms d. formed from intense pressure

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?