2points
technology can have positive and negative effects. what is one negative
effect of spraying a chemical pesticide on crops?
o
a. it lowers the cost of food.
b. it gets in the bodies of farm animals.
o
c. it kills all insect pests.
o
d. it does not wash off in rain.

b it gets the bodies of farm animals

Explanation:

I just took the test and that was the correct answer

climate change and pollution

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.