ari7lway9savGom ari7lway9savGom

16-02-2016
Biology

contestada

Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today.
a. hydrogen
b. oxygen
c. lead
d. ore

Respuesta :

Аноним Аноним

16-02-2016

oxygen is you answer

Answer Link

GangstaGurl GangstaGurl

16-02-2016

I would probably go with B. Oxygen, I hope that this helps!

Answer Link

Otras preguntas

Yesterday 170 guests at a hotel called for room service, and 255 guests did not call for room service. What percentage of the guests at this hotel called for ro

Determine whether each relationship is a function. State the domain and range of each relation.

The volume of a cylinder is 156 x cm3. What is the volume of a cone with the same base and height as the cylinder?39 x cm52 cm78 cm156 cm

President Johnson was often in conflict with the Radical Republicans because he was an ex-Radical Republican. he was a Moderate Republican. He was a Northern De

A rectangular fish tank contains 3240 cubic inches of water. The dimensions of the base of the fish tank are 12 inches x 18 inches how tall is the fish tank? A.

What happens when people started to question traditional Christian church

Can somebody help with these questions please Im being timed!!

Replace the bold phrase in the following sentence with more specific vocabulary. Dr. King uses figurative language in his "Letter to Birmingham Jail" to communi

According to the federal regulations, which of the following studies meets the definition of research with human subjects? A researcher sets up a meeting with t

10 POINTS! Please help and show the work please