amythorntonos9vuy amythorntonos9vuy

12-07-2017
Biology

contestada

Many scientists hypothesize that the development of organisms with which ability led to the collection of oxygen in earths atmosphere

Respuesta :

WateredDownChimp WateredDownChimp

15-11-2018

The correct answer would be photosynthesis

Why? - oxygen built up in the atmosphere after prokaryotes became autotrophic or became able to use photosynthesis.

Answer Link

Otras preguntas

all of the following are environmental factors that affect human development except _____.

What was an effect of the mandate system on former Ottoman territory in the Middle East? a. Borders were drawn without regard for local populations. b. New inde

Prove that :- Cos3A-cosA/sin3A-sinA+cos2A-cos4A/sin4A-sin2A=sinA/cos2Acos3A

In "The Negro Digs Up His Past," what is Arthur Schomburg saying about the way people viewed African Americans?

The product of which expression contains four decimal places? (A) 5.3478x6.4214 (B) 6.4x3.82 (C) 521x3.82 (D) 14.2x0.784

Why could “The Danger of Lying in Bed” be considered a personal essay?

In the school choir, 16 students are in the soprano section, 15 students in the alto section, 12 in the tenor section, and 17 in the bass section. Which sectio

Oklahoma’s economy weakened immediately after World War I as a result of decreased production, worker layoffs, and __________. A. tax increases B. more union pa

which increases the rate of speciation? A) asexual reproduction B) higher gene flow C) reproductive isolation D) high dispersal abilities

What three factors contributed to the start of the Renaissance in Italy?