Which of the following are possible costs of flood mitigation efforts? Select the two correct responses. A) relocation of homes
B) reduction in tourism
C) more need for sandbagging
D) reduction of the number of levees
E) ongoing maintenance

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

69 is the correct math for the amino acids

what are the options? add them, then i will be glad to .