Which belief is the basis of ptolemy's geocentric model of the solar system? a. the sun is the center of the universe. b. jupiter is the same size as the earth's moon. c. the sun and planets revolve around the earth. d. the earth revolves around the moon.

Which of the following systems in absorbing oxygen and releases carbon dioxide

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.