<span>Scientists choose where are units of time began and ended based on major changes in life forms at certain times</span>
Renewable energy is energy that doesn't run out.Examples of these are wind and water. Nonrenewable energy sources are things like oil and coal—fossil fuels, because once they're gone, we're not getting them back. but we'll always have wind and water.
Answer:
The help desk
Explanation:
Usually if the program crashed, you would go to the company's website to tell them the problem and see if anybody else has problems. if nobody else has problems, then he might want to see if it is the computer that has the problem
The pesticide will be in the animals that eat the grasshoppers, in the water table, in humans that eat the animals/crops and drink the water.