Which of the following contributes to maintaining the temperature on earth? a. unequal heating of earth’s surface. b. loss of heat to space. c. radiation of sunlight back into the atmosphere. d. greenhouse effect.

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials

What is the most common structure of volcanoes?

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures