Which of these best describes the relationship between smoke from factories and acid rain? A
Smoke travels directly into clouds, creating acid rain.

B
Smoke turns clouds black, which causes them to become more acidic and release black acid rain.

C
Smoke increases greenhouse gases, which make the water in clouds more acidic so they release acid rain.

D
Smoke wipes out all the greenhouse gases in the atmosphere, increasing the acidity of clouds so they create acid rain.

If animal agriculture was eliminated, how much grain would become available for human consumption?

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.