stussyamanda stussyamanda
  • 02-11-2017
  • Biology
contestada

which were the earliest oxygen-producing life-forms?
a.cyanobacteria.
b.seaweed.
c.dinosaurs.
d.ferns.

Respuesta :

Аноним Аноним
  • 02-11-2017
A. cyanobacteria is the answer!
Answer Link
allyssaquigley
allyssaquigley allyssaquigley
  • 02-11-2017
A is the answer Cyanobacteria I hope this helps
Answer Link

Otras preguntas

Sub-Saharan Africa has abundant deposits of a. Diamonds b. Jade c. Opals d. Rubies
Describe the process for solving a translation problem.
Which of the following statements are correct? Check all of the boxes that apply. The United States used the atomic bomb to end the fighting against Germany. Th
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site
How least count determine the precision of a measurement?
Explain how mutual respect for rights and responsibilities by those in a relationship could sustain a positive relationship
Let f(x) = x-9 Find (f o f)(x) and its domain (f o f)(x) =
What is food made up of?
Calculate the number of moles of NO in 4.10 x 1021 molecules of NO.
State two factors that can affect the freshness of sauce