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

As an estimation 5 miles is 8km. convert 12.5 miles to km

Michelle Obama gained public support during her first months as first lady, in fact, she became a role model. Which is the best way to correct the punctuation

What was the Red Scare? a. it was the fear of constant war c. it was the fear of the color red b. it was the idea that the communists could be anywhere d. it wa

It is believed that as many as 25% of adults over 50 never graduated from high school.We wish to see if this percentage is the same among the 25 to 30 age group

attachment Mathswatchhhh!!!!!!!!!

Biarritz Corp. is growing quickly. Dividends are expected to grow at a rate of 29 percent for the next three years, with the growth rate falling off to a consta

Most students have trouble with understand that HCl and Bile are not enzymes. They do allow for structural changes of the substrate, but they do not change the

Judy's Boutique just paid an annual dividend of $3.31 on its common stock. The firm increases its dividend by 3.75 percent annually. What is the company's cost

What is the measure of angle BCD? WILL GIVE BRAINLIEST!

Read and choose the option with the correct word or words to complete the sentence. ______ del edificio del gimnasio es blanca y azul. A) La esquina B) El gato