Which of the following is a true statement about chloroplasts?
a. they transport glucose into the cell.
b. they convert light energy into chemical energy.
c. they are present in animal cells, but not in plant cells.
d. they convert the energy in glucose into a more usable form.
i need it very quick

Along with the kidneys, the ureters, bladder, and urethra make up the urinary system. match each function or description to the appropriate structure.

What percentage of light hits earth's surface directly?

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.