Counting the atoms in each substance in the reactants and products is a step in which one of the following?
a. balancing a chemical equation
b. determining how long a chemical reaction will take
c. duplicating a chemical equation
d. writing a chemical equation using formulas and symbols

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

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.

How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?