Many scientists think the sun and the rest of the solar system formed from a giant, rotating cloud of gas and dust known as the solar nebula. As the nebula collapsed because of its gravity, it spun faster and flattened into a disk. Most of the material was pulled toward the center to form the sun.
Predation: In predation, one species kill and feeds on another species.
Petroleum is a very important part of our day to day life now. We use it almost every day and it has helped emerge the world of vehicles.
<h3>Remains of sea organism</h3>
The remains of ancient marine organisms and sea organisms are used to extract crude oil or petroleum which serve as a fuel for vehicles. These organisms are ancient marine plants, algae and bacteria.
Therefore it can be concluded that the type of fossil fuel in which the remains of sea organisms are converted to is petroleum or crude oil.
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brainly.com/question/2029072
Substinence farming is farming food that is just enough to live off of. You don't sell substinence crops.
Commercial farming is growing food to sustain you, and having enough left over to sell.
In both, you grow food and you keep some (or all) for yourself.
1 on the top one on the bottom
