Geography, 04.07.2019 19:20, Joustian

Which of the following statements best describes changes in earth's environment over the past 4 billion years?
solar brightness and oxygen generally decrease, while surface temperature and atmospheric co2 increase.
solar brightness and surface temperature generally increase, while oxygen and atmospheric co2 generally decrease.
solar brightness and oxygen generally increase, while surface temperature and atmospheric co2 decrease.
solar brightness and surface temperature generally decrease, while oxygen and atmospheric co2 generally increase.

Answers: 1

Show answers

Other questions on the subject: Geography

Geography, 22.06.2019 01:00, bglosson4333

"water seeps into rock cracks and dissolved minerals there. the solution travels through cracks in the. eventually concentrating into large crystals." which process is that

Answers: 1

continue

Geography, 22.06.2019 03:30, davidzalinski1051

Suppose that tou work for a fried snack food. company. news channels have televised reports encouraging people to eat heathly snacks. write a report to your manager that explains the recent decrease in sales and offer ways that the company can reverse this trend

Answers: 1

continue

Geography, 24.06.2019 06:30, THEOUTCOMER

The states that the process that have been occurring today have been occurring since earth formed. what is it?

Answers: 1

continue

Geography, 24.06.2019 10:00, landonreed5803

Informatii despre riul nistru dup algoritmul pozitia pe continent originea denumirii lungimea izvorul gura de varsare afluentii directia riului caracterul cursului activitatea de model are regimul. de inghet variatia nivelului so volu! mul de apei tipul de alimentatie importantanta pentru om unitatile de relief strabatute caderea riului

Answers: 2

continue

Do you know the correct answer?

Which of the following statements best describes changes in earth's environment over the past 4 bill...