Which of these events occurred during the Precambrian time?
Cyanobacteria filled the water and air with oxygen.
Early humans began to make tools, harvest plants, and make cave paintings.
Pangaea, the super continent, was formed.
Pangaea began to break apart into many continents separated by shallow seas.
Answers (2)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Which of these events occurred during the Precambrian time? Cyanobacteria filled the water and air with oxygen. Early humans began to make ...” in 📘 Biology if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
What is a lunar eclipse and how do the earth moon and sun have to align for it to occur
Answers (1)
What would be the consequence of of absence of tRNA in the cytoplasm?
Answers (1)
Two factors which cause global climate change are listed below. Factor 1: Sea level rising Factor 2: Changes in the amount of atmospheric gases Which of these statements is correct about the two factors which cause global climate change? A.
Answers (1)
Which kind of relationship would a dog and a tick have
Answers (2)
How can Biology be described?
Answers (2)
New Questions in Biology
Is the organism Fern extinct
Answers (1)
Where is fresh water found? Select three options, rivers oceans ice sheets water vapor coastal wetlands
Answers (1)
A mineral that breaks along one or more straight lines exhibits which property ФωФ
Answers (1)
Which of the following is a biotic factor? a. Parasites b. Sun c. Soil d. Temperature
Answers (1)
When nucleotide sequence of the cell's DNA becomes altered it causes what
Answers (2)