Biology, 19.05.2020 02:02 laerica

What pulls the rocks together to make a planet?

What were the conditions of our Earth 4.54 billion (4540 million) years ago? (Temperature? what gases are available? Solid surfaces?)

What happens when the planet crashes into Earth?

How long does a day last when Earth is first formed? Why?

What is inside the meteors that were striking Earth 3.9 billion (3900 million) years ago?

Why are the ocean’ tides so high and strong 3.9 bya (billion years ago)?

Where do the small islands come from 3.8 bya?

What are the “chemical soup” chemicals responsible for?

What is are the underwater bacterial colonies called?

What organisms are the first to photosynthesize?

What is the single most important element on Earth for life?

What was the name of the supercontinent 1.5 billion years ago?

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What pulls the rocks together to make a planet?

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