1.which of the following has genetic engineering been used to do? a) make plants easier to grow in low gravity b) make plants more resistant to pesticides & herbicides c) make plants more resistant to frost & drought d) make plants more resistant to disease e) make plants more nutritious for human consumption 2. genetically identical organisms derived from a single genetic source are called a. hybrids b. clones c. siblings d. variants

answer: a. a gene that causes a specific trait.

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

not too sure but maybe in the hot springs.