Which statement describes how upwelling occurs? OA. Denser water rises to replace surface water pushed by wind.
O B. Saltier water rises as denser freshwater sinks.
OC. Denser water rises as less dense water sinks.
OD. Saltier water sinks as water above it freezes and forms sea ice.

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation