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

The ethical principle of beneficence matches which of these ethical considerations

Find the difference quotient f(x+h)-f(x)/h, where h≠0, for the function below. f(x) = -4x² + 3x-5 Simplify your answer as much as possible.

How do variations in temperature affect the altimeter?

Child Labor and Women’s Suffrage July 22, 1905 Speech by Florence Kelley 1 We have, in this country, two million children under the age of sixteen years who are

HELPPPPPPPPP!!!!!!!!!!!!

HELPPPPPPPPPP PLEASEEEEEEEE!!!!!!

operating leverage, financial leverage and combined leverage of different companies

1+1 pls tell me what it is. I was stuck on this for a long time. I will award you 100 points.

Verify that a²-b² /a+b = (a-b)

Find the intruder: phagocytosis, macrophage, granulocytes, lymphocytes