Livcannon Livcannon

01-02-2017
Biology

contestada

Cyanobacteria which first appeared on earth over 3 billion years ago are

Respuesta :

kev2002 kev2002

02-02-2017

Cyanobacteria also known as one of the first organism on earth are responsible for producing nearly 80% of the oxygen on earth.

Answer Link

Otras preguntas

Solve for x......[tex]4x + 10 = 2x + 26[/tex]

PLEASE HELP ASAP :) thank you

What is the quotient of -27.375 divided by 7.5 A)–3.65 B)–0.365 C)0.365 D)3.65

It needs to be 700 words!!!! If you were going to build a brand new city today, where would you want to put it? Why? Remember, you want to have a city with a fu

Can you answer this and explain it please! for 100 points

1. Define communicable diseases. Give three examples.2. Give two examples of each of the following types of microorganisms: a) Algae b) Fungi c) Protozoa. 3. Wh

Work out the angle of elevation from the rabbit to the top of the tree. 18 m 9√3m Not drawn accurately

People who carry out manual labor are called: administrative workers. labor workers. maestros. high-level managers. People who carry out manual labor are called

La última frase nos desvela el suceso que está ocurriendo en el texto qué gran suceso es ese

Solve x2 − 3x = −8. (2 points) x equals quantity of 3 plus or minus I square root of 29 all over 2 x equals quantity of 3 plus or minus I square root of 23 all