How can we see radiation that impacts the Earth's surface? a. The trade winds that bring in cold and warm fronts
b. The Sun's rays warming the surface of the Earth
c. The heater on during the winter
d. The ocean's waters warming the air

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution

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.