bbrooke453 bbrooke453

21-05-2014
Biology

contestada

Why do you think scientists think the first organisms did not need oxygen to survive?

Respuesta :

mstv1112 mstv1112

21-05-2014

Nitrogen and Hydrogen were more prevalent in Earth's early stages of "life" and a lot of organisms live under water.

Answer Link

Otras preguntas

My computer keeps freezing when trying to start up a new computer (got a new motherboard, CPU, GPU, case, and psu)(had to get a copy of windows into a USB stick

The points(0,2) and (4,-10) lie on the same line and the points (-5,-3) and (2,11) lie on another line. Question: Write equations in slope-intercept form of t

What is the answer to this question

What is meant by conversion of energy

What is a suggestion

Solve the inequality. 4(2x− 3) > 4(x − 4) A. x >−1 B. x> 1 C. x<−1 D. x < 1

The fauna and flora of australia are very different from those of the rest of the world. Why might this be true?

hi i know this is just technically for homework help but im sorta lonely right now :(

What is mental and emotional health? What are the characteristics of a person who is mentally and emotionally healthy?

Could some help me please I’m stuck on this