Answer:
I can't see what it says at the top
Mabye you could re upload it and see if you can get what it says up top. I would love to help.
Answer :There was enough oxygen in the atmosphere to support a major burst of life on Earth
Explanation:
The Great Oxygen Event marks the time, approximately 2.5 billion years ago, when there was enough oxygen in the atmosphere to support a major burst of life on Earth
For the first half of the Earht's history, there was no oxygen in the atmosphere. It was inhabited only by single-celled organisms.Of those simple life forms, the cyanobacteria may have. evolved a way to take energy from sunlight, and used it to make sugars out of water and carbon dioxide. They used the same chemical process we know as photosynthesis. This released vast quantities of oxygen into the atmosphere and triggered the evolution of complex life.
Answer: imma say dragon fly
Explanation: I think its a dragon fly
Dress themselves because like that they are taking care of their physical body and keeping it nice and healthy
Answer:
amphibians because it is a cold blooded vertebrate and has aquatic gill breathing larvea
Explanation: