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

Solve this problem using subtraction. 30 − (15 − 5) = ? 20 15 10 0

BRUTUS. It must be by his death: and for my part I know no personal cause to spurn at him But for the general. He would be crowned: How that might change his n

I’m stuck on this question please help

A box filled with 2 red cards , 2 green cards , and 14 yellow cards. A card is chosen at random from the box. What is the probability that it is red or a yello

what are some reasons that a volcano is dangerous

what is 5.193 rounded to the nearest hundredth

please help a. -4/3 b. -3/5 c. 4/5 d. 3/4

A group of 6 students was asked , How many hours did u watch television last week? Here are there responses:4,8,5,10,11,8 Find the median and mean number of hou

What might account for the totals in this chart?

1. What new forms of writing have developed in our networked world, and how has our writing changed as a result? (10 points)