20. in a chemical reaction, dynamic equilibrium
occurs when the rate of the forward reaction becomes precisely equal to the
rate of the reverse reaction. all of the following statements are true except
a. a dynamic equilibrium occurs
when the reaction is more than 50 percent complete.
b. in a dynamic equilibrium,
reactants are converted to products at the same rate as products become
reactants.
c. reactions that reach a dynamic
equilibrium are often referred to as reversible reactions.
d. reactions that reach a dynamic
equilibrium are shown with a double arrow, to indicate the forward and
reverse reactions.
e. reactions that reach
equilibrium very close to the end (product side) are usually shown with only
one arrow instead of a double arrow and we say the reaction goes to
completion.
i think the answer is e

Many bird species build nests in which they raise their offspring. one of these species is known as the magnolia warbler. breeding pairs of magnolia warblers build nests out of pieces of grass and twigs. the female warbler will then lay her eggs in the nest and sit on the eggs for a few weeks until they hatch. after the offspring have hatched, the female will continue to sit on the newborn chicks to keep them warm. both the male and the female bring food for the offspring to eat until the young are mature enough to find food on their own. which of these most likely describes why birds such as the magnolia warbler build nests in which to raise their offspring? a. nest building decreases the amount of energy used by the parent birds to raise their offspring to adulthood. b. nest building increases the probability that the offspring will survive and eventually produce offspring of their own. c. nest building decreases the amount of food that the offspring require the adult birds to provide. d. nest building increases the probability of the offspring being located by airborne predators.