gwinkel18 gwinkel18

09-12-2015
Biology

contestada

The atmosphere that we depend on for our survival is enriched by numerous cyanobacteria. This fact justifies which characteristic of cyanobacteria?

Respuesta :

h3lpn33d3d h3lpn33d3d

09-12-2015

Cyanobacteria are photosynthetic. The photosynthesis reduced the carbon dioxide in the atmosphere and put oxygen into the atmosphere. Before the cyanobacteria started this process, Earth's atmosphere didn't have oxygen.

Hope this helps! :)

Answer Link

Otras preguntas

Solve using quadratic formula. 2x^2+6x+3=0

This is the creature that has never been. what does this mean

A quadrilateral is inscribed in a circle. It's vertices divide the circle into four consecutive arcs in the ratio 1:2:5:4. Find the angles of the quadrilateral.

If you double the distance between two objects, the electric force is _____. A. one half as strong B. doubled C. one fourth as strong D. quadrupled

Which items are on both the balance sheet and the statement of owners equity? A.) net loss B.) capital C.) additional owners investments D.) owners withdrawals

Who was the Massachusetts Bay colony established in new England by?

name some proteins that are made at ribosomes.

What are the solutions to the equation 3x^2 10x=8??

what is a general difference in proteins made at free ribosomes and proteins made on rough endoplasmic reticulum?

Chromosomes, which contain DNA, have several functions. All BUT ONE of these statements is a function of chromosomes. A) Chromosomes determine the traits of an

Q&A Platform for Education Platform Explore for Education