stussyamanda stussyamanda
  • 02-11-2017
  • Biology
contestada

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

Respuesta :

themask101 themask101
  • 02-11-2017
A is the correct answer

Answer Link
Аноним Аноним
  • 23-01-2019

A. CYANOBACTERIA is the CORRECT answer!

Answer Link

Otras preguntas

20 POINTS!! HELP PLEASE LOOK AT ALL IMAGES
Possessive pronouns indicates who the owner will be. True or false No guessing need true answer.
What is commonly chewed at the end of the meal in india to aid in digestion and freshen the breath?​?
The area of a square can be found using the equation A= s2, where A is the area and S is the measure of one side of the square. Match the equation for how to sl
read this passage: Which excerpt from the text best shows that the passage uses a sequential pattern
How to remember the first 20 elements of the periodic table?
How did Thomas more’s work help spread humanistic ideas
Can I have my French checked? Did I write all my French in the present tense?so I am meaning to say " I have a backpack, my bike, a tent, my sleeping bag..."I h
Determine the equation of the line for the given information: Two points on the line are (0, 4) and (7, 18). Use the points to first determine the slope and y-
Which group represents the "radical reformation" tradition and is named for its non-belief in infant baptism?