luigrcia luigrcia

03-10-2021
Biology

contestada

Why do scientists assume the first photosynthetic organisms were anoxygenic?

Respuesta :

dlevant10 dlevant10

03-10-2021

Answer:

scientists are always finding new things

Answer Link

rthomas111 rthomas111

03-10-2021

Because photosynthesis produces oxygen, scientists assume the first photosynthetic organisms were not consuming oxygen, but producing it.

Answer Link

Otras preguntas

what is communication?

Z1 and Z2 are vertical angles. Z2 has measure of 93° what is the measure of Z1? enter your answer in the box.

Need help I don’t Leno what to do

Ella sold 37 necklaces for $20 each at a craft fair. She is going to donate half of the money she earned to charity. Use the Associative Property to find how mu

What is it called when the government uses strong images or other methods to persuade people toward a particular view or action?

"Double, double toil and trouble;/Fire burn, and cauldron bubble." Speaker: Act / Scene: Context:

Need a lil help lol….

How would life in America be different if citizens did not obey the laws?

Does each of these reasons support the author’s claim? For reasons that you listed above in question 2, explain how the example relates to the claim.

Some extremely hazardous materials used in welding operations include.