What happens to the blood when the pulmonary artery pumps it into the lungs? a. blood is sent to the rest of the body. b. oxygen is unloaded and carbon dioxide is loaded into the blood. c. carbon dioxide is unloaded and oxygen is loaded into the blood.

Why is the sun hot and can burn you if you get to close

Ts assignment - snow day assignment genetic variation and natural selection natural selection relies on genetic variation. in any population of beetles, there are alleles for brown or green color. what happens to the genotype and the phenotype of the beetle population when there are distinct advantages and disadvantages due to color? order the steps that take place during natural selection in this beetle population.

Read the prompt and study the diagram above. what cause and effect prediction can be used to test the assumptions in the model? a) limiting water will limit sugar production of the plant b) limiting sunlight will limit sugar production of the plant c) limiting carbon dioxide will limit sugar production of the plant d) limiting sunlight, water, or carbon dioxide will limit sugar production of the plant