Which sentence correctly describes a solution with a ph lower than the ph of distilled water?
a. the solution is neutral
b. the solution is a ph indicator
c. the solution is acidic
d. the solution is basic

Aplant may open end close its stomata to prevent excess water loss and maintain

Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.

Humans have to eat food to get the nutrients that keep us alive, but plants use the sun to power photosynthesis