subject
Biology, 23.02.2021 01:00 Bashirar19

Which change in the earth's atmosphere allowed organisms to live on land? A) a collision with a comet
B) the development of the ozone layer
C) a strong burst of particles from the sun
D) the absorption of carbon dioxide by oceans

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 07:00
Why does miranda have that particular vision of dr hildesheim answer?
Answers: 3
question
Biology, 22.06.2019 09:00
Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?
Answers: 3
question
Biology, 22.06.2019 11:30
Explain the process that creates the heat of the sun?
Answers: 2
question
Biology, 22.06.2019 13:30
What kinds of molecules can pass through the cell membrane without any problem?
Answers: 1
You know the right answer?
Which change in the earth's atmosphere allowed organisms to live on land? A) a collision with a com...
Questions
question
History, 04.12.2020 19:20
question
Arts, 04.12.2020 19:20
question
Computers and Technology, 04.12.2020 19:20
question
Arts, 04.12.2020 19:20
question
Mathematics, 04.12.2020 19:20
question
Geography, 04.12.2020 19:20
Questions on the website: 13722367