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

02-11-2017

A is the answer Cyanobacteria I hope this helps

Answer Link

Otras preguntas

If you see a large group of stranded passengers standing next to a disabled bus, and you have only three seats in your car, deciding who to rescue deals with th

1. fenómeno natural en el que se ilumina el cielo cuando hay una tormenta: 2. reptil de cuerpo largo y estrecho (narrow) que muchas veces es venenoso: 3. larg

convert 10 degrees C to Fahrenheit

In a 5V system if you were asked to take one input HIGH and another LOW what would you do (i.e. where would you connect them)?

Find the total amount in the compound interest account. $9000 is compounded semiannually at a rate of 12% for 18 years. $ nothing (Round to the nearest cen

The three age system is useful for the study of

What does the main character in a short story often do? A.)blames another character for what goes wrong in the story B.)leaves town to avoid his or her con

what is homogeneous mixture??

solve for x. x/3 is less than -6

Which two numbers on the number line have an absolute value of 3? Select the location of both numbers on the number line.