What causes land breeze and sea breeze?
a. the differential heating of land and sea by the sun results in the movement of air.

b. hot air from the sea blows over the land because there is a high pressure area over the sea.

c. cold air blows from the land over the sea because there is a low pressure area over land.

d. air blows from land over the sea because of the rotation of earth on its axis.

Amutagen is 1: a living thing that has undergone a mutation. 2: an agent that causes a mutation in dna. 3: a mutation that has affected one gene. 4: a chemical that can poison living cells.

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.

Match the description of each organism to the appropriate category