It is a controlled experiment as everything is the same apart from one variable
Answer:
Renewable energy is growing fast in the U.S., but fossil fuels still dominate. Most Americans (77%) say it's more important for the United States to develop alternative energy sources, such as solar and wind power, than to produce more coal, oil and other fossil fuels, according to a recent Pew Research Center survey
By using<span> the complete genetic material from a regular body </span>
50%, don't know if you use pun nett squares but Google them, they simplify it so much.
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Answer:
Some examples of primary succession include the formation of a new ecosystem after a volcano, glacier outbursts, or a nuclear explosion. Some examples of secondary succession include succession after a fire, harvesting, logging, or abandonment of land, or the renewal after a disease outbreak.
Explanation:
