subject
Chemistry, 04.02.2021 21:10 morenodonaldo762

ASAPPP HELPPP Oxygen in Earth's early atmosphere was first produced during the Precambrian from
A)
cyanobacteria in Earth's oceans
B)
volcanic activity along plate boundaries
C)
the absorption of sunlight by plants
D)
evaporation of ocean water

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 17:00
What were the success and failures that came to boyle’s excitements?
Answers: 1
question
Chemistry, 22.06.2019 00:30
Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.
Answers: 1
question
Chemistry, 22.06.2019 05:30
Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean
Answers: 3
question
Chemistry, 22.06.2019 12:50
The number at the end of an isotope’s name is the number.
Answers: 1
You know the right answer?
ASAPPP HELPPP Oxygen in Earth's early atmosphere was first produced during the Precambrian from
Questions
question
Mathematics, 22.10.2020 05:01
question
Mathematics, 22.10.2020 05:01
question
Chemistry, 22.10.2020 05:01
Questions on the website: 13722362