When amino acids are linked together, the molecule formed is a .
a. carbohydrates
b. lipid
c. protein
d. polyalcohol

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?