brianaaaaa69 brianaaaaa69

03-12-2019
Biology

contestada

How did Earth's atmosphere become oxygen-rich?
O
A. Volcanic outgassing
O
B. Tectonic movement
O
O
c. Ozone depletion
D. Biological activity

Respuesta :

Ajae112 Ajae112

19-01-2021

Answer:

(D) Biological activity

Explanation:

just took the ap3x quiz :)

Answer Link

HaruAzuna HaruAzuna

26-05-2022

Answer:

D.) Biological activity

Explanation:

I got it correct

Answer Link

Otras preguntas

The system of equations graphed below has how many solutions? A) 1 B) 2 C) 0 D) infinitely many

Instructions: For this assignment you will write sentences using the -go verbs in the present tense. You may write a: Story Poem Dialogue Song Jingle U

Nicolae Ceausescu, Romania’s second Communist leader, _____. oversaw modern industrialization was reelected in 1989 led the nation to economic chaos oversaw mar

What is a diploid cell?

What screening is used to test for obesity??

how to factor by grouping

A black column forms when sugar reacts with sulfuric acid.

I need help with number 19 please

Employees are misusing company computers to search the Internet, play games, or chat with friends while they are on company time. These actions limit employee p

Herman miller inc how have the company’s values shaped its strategy and approach to strategy execution