KidgeamariomiP KidgeamariomiP

02-03-2016
Biology

contestada

Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere.
a. True
b. False

Respuesta :

WorldlyGlass49 WorldlyGlass49

10-03-2016

This is false. Anaerobic photoautotrophs were NOT the first organisms to release oxygen into the early atmosphere, but cyanobacteria (aka pondscum) is believed to have been the first one to do this.

Answer Link

Otras preguntas

Which quadrilaterals appear to have no right angles

BIG POINTS (82) what is the area of a circle if its radius is 3596cm let pi=3.14

how many 50s in 4,00

Zbigniew Brzezinski, the national security advisor in the 1970s? A. Believed replacing the Minute Man missiles with MX missiles was wasteful. B. supported the S

why did the delegates maintain secrecy about their work

factor these expressions: 1. 7+14x 2. 32x-15 3. 24+32x 4. 6x-9 5. 48+24x 6. 72-18x 7. 25x+14

In which area were the Progressives unsuccessful? eliminating child labor busting trusts breaking up monopolies regulating the railroads

what energy transformation is involved in movement of muscles

What is the equation in standard form on the line that passes through the point (1, 24) and has a slope of -0.6? a) 3x + 5y = 125 b) 3x + 5y + 77 c) 3x + 5y =

How did the integrated circuit effect the development of computers? It allowed computers to be freely programmed. It allowed the use of totally electronic compu