knita703 knita703

06-12-2020
Biology

contestada

why free oxygen was not found in primitive atmosphere?

Respuesta :

nvogelgesang26 nvogelgesang26

06-12-2020

Answer:There was no oxygen in the early air until basic life forms developed the ability to complete photosynthesis. During this cycle, daylight and carbon dioxide are utilized to make energy, delivering oxygen as a result.

Explanation:

Answer Link

Otras preguntas

Which expression is equivalent to 6^-3? 6^3 3^6 3sqrt6 (1/6)^3

Find the missing angle measure in each triangle. Show your work.

This graph shows how the length of time a canoe is rented is related to the rental cost . What is the rate of change shown in the graph

What is an example of a linear actuator?

Should parents be responsible for the crimes of their children?

What is the volume of a cone that has a base with a radius of 4 inches and a height of 12 inches?

Not including South Africa what was the name of the last African nation achieve independence

Which of the following is an equation of a line whose slope is 0? (1) y = 6 (2) x = 6 (3) y = 2x (4) x + y = 1 Please helpp!!! Stuckk

What components determines the direction of moment?

which of the following binomials below is a factor of this trinomial x(x)-13x+36