jessicakurgan23 jessicakurgan23

21-10-2020
Biology

contestada

Why do we have an oxygen-rich atmosphere?

Respuesta :

vanessaxx vanessaxx

21-10-2020

we do indeed have an oxygen-rich atmosphere!

the organism known as cyanobacteria uses sunlight,water, and CO2 to produce carbohydrates & oxygen!

Answer Link

Otras preguntas

**You exert a vertical force of 125 Newtons to lift a box 2.0 meters in a time of 1.5 seconds. How much work did you do? How much power was used to lift the box

Two wires made of the same Two wires made of the same material are stretched by equal forces. The second wire is twice as long as the first one and also has twi

What is the central idea of the section titled Alfred Nobel's Will? A The Nobel prizes were created and funded by a wealthy benefactor. ® The Nobel prizes celeb

Write a improper fraction and a mixed number for the shaded portion.

What percent of 650 is 2

Find f(h(-1)). -9 2 11 -11

what is 17355 + 17355 x 2

Which statements best describe an effective claim in an argumentative essay? Select two options. It is precise and clear. It is debatable but cannot be refuted.

DON'T FORGET TO SIMPLIFY PLSSS!!!!!!7.Drawing a 9, then drawing a number divisible by 1.8.Drawing an even number, then drawing a 1.9.Drawing a 6, then drawing a

Graph y= 2.5x + 12. PLEASE USE A GRAPH