sabrinablacks0 sabrinablacks0

25-10-2018
Biology

contestada

Which compound was abundant in Precambrian Earth’s oceans, before complex life evolved on Earth?

A.
dissolved oxygen
B.
dissolved carbon dioxide
C.
dissolved methane
D.
dissolved ammonia

Respuesta :

carolinacardona31 carolinacardona31

21-01-2020

Answer:

Dissolved carbon dioxide

Explanation:

Just took the test and it was correct

Answer Link

Otras preguntas

1 square root x times 4 square root x

UMMM.....I NEED YOUR HELP GUYS....I HAVE GOT A QUESTION FOR YOU.......... Water waves slow down and their wavelength shortens when they reach shallower water...

The expression √93 is in between two whole numbers. Write the two numbers with a comma and a space in between

which piano is the best for beginners? List 5 best pianoes.

Factorise completely; 35y+5y-8

electrostatic force is directly proportional to

Write an equation of the line below. (0,-2) (8,-4)

the height of the house is 26 feet what is the height x of each story?

What is a simplified expression for the perimeter of the polygon? ✓ 5x2 + 2y2 + 12x + 5y If x = 3 cm and y = 2 cm, what is the perimeter of the polygon?

Solve graphically 6x-3y+10=0 and 2x -y +9 =0