I know how to do punnet squares, but could you show the full question please?
Answer:
conservation of natural resources
Explanation:
You're trying to save resources, all the other options cause harm
B) Geologic.
Hope this helps~!
~{Isle of flightless birds}
1) The answer is <span>bluegreen algae
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Bluegreen algae or cyanobacteria <span>are thought to have started life on earth because they converted the atmosphere that didn't have a lot of oxygen, into an atosphere with enough oxygen to exist life. That </span>oxygen was a product of their photosynthesis.
2) The answer is lightning.
<span>By Primordial Soup Theory, life began as a result of the combination of chemicals from the atmosphere and lighning (a form of energy) to make amino acids. Aminoacids are necessary to build proteins, and proteins are necessary for all the organisms.</span>
It contracts and is pulled downwards
