(this is a question for a friend) how old am i? guess

Iwant to be an engineer but cant do math for the life of me, but i also want to be a cop. "what should i do"

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a. seismic waves kill microoganisms b. seismic waves disrupts the sand and causes seafloor erosion c. seismic waves have virtually no adverse affects on marine life d. seismic waves damage the sonar that dolphins and whales use to orient themselves underwater

What motive did the federalists have for pushing the alien act through congress in 1798? a. the new law made immigrants pay higher taxes, which the federalists hoped would be used to pay the national debt and fund the military. b. the new law denied immigrants the right to vote because many immigrants supported thomas jefferson and the republicans. c. the new law required business owners to hire illegal aliens who hated the liberal republicans. d. the new law made immigrants wait 14 years before becoming citizens, a move the federalists hoped would keep them from voting for years. select the best answer from the choices provided abcd