Humans secreting pheromones is an example of which form of communication? a. physical c. biological b. chemical d. diurnal

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

The arrows indicate the direction of wind flow. which place experiences monsoons?

Which of the following graphs have the same wavelengths