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 the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Research a minimum of 10 reusable/recyclable materials such as: empty soda bottles/cans, milk containers, water bottles, egg cartons, aluminum foil, paper (of any kind like paper towel rolls, magazines/catalogs, phone books, paper bags, cardboard
Answers (2)
Which term describes the degree of stretch of the ventricular cardiac muscle fibers at the end of diastole?
Answers (1)
How can growth of a population be slowed by its own numbers?
Answers (1)
What does the brontosaurus and stegosaurus have in common
Answers (1)
Explain what happens to the cell cycle if both p53 alleles are mutated.
Answers (1)
New Questions in Biology
What would you expect to happen if sea otters were removed from this food web? Check all that apply. The population of elephant seals would decrease. The population of kelp crabs would increase. The population of kelp would increase.
Answers (1)
When blockages in the bloodstream read the Brian it can cause blank?
Answers (1)
A gazelle is born with slightly longer legs which allow it to run faster than the other gazelles in the herd. This adaptation came may have come about because a. the gazelle needed to be able to run faster. b.
Answers (1)
In a population of deer mice, the allele for white hair is recessive and the allele for brown hair is dominant.
Answers (1)
What makes a molecule a saturated fat?
Answers (1)