Here something that might help
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Most scientists believe that for half of </span>Earth's<span> 4.6-billion-year history, the</span>atmosphere<span> contained almost no </span>oxygen<span>. Cyanobacteria or blue-green algae became the first microbes to produce </span>oxygen<span> by photosynthesis, perhaps as long ago as 3.5 billion years ago and certainly by 2.7 billion years ago.</span>
Answer:
Activities such as harvesting natural resources, industrial production and urbanization are human contributions to habitat destruction. Pressure from agriculture is the principal human cause. Some others include mining, logging, trawling, and urban sprawl.
Explanation:
Hope this helped Mark BRAINLIEST!!!
There are 3 machines in which convert straight motion to circular motions:
Answer is water wheel, windmill, and water turbine.
Hope it helped you, and have a great day!
-Charlie
For the answer to the question above, I believe the answer is "<u><em>TRUE</em></u>"
Zoonoses are infectious diseases that can be transmitted between animals and humans.
<span>Some animals carry harmful germs that can be shared with humans and can probably cause <span>illness like bird flu virus
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