D identical diploid daughter cells
Answer:
multiple reasons
Explanation:
satellite telecommunications, GPS, remote sensing, and space access.
Ability to test different fuels they can make for better efficiency it can go on and on my good sir.
hope this helps
A. Migration (birds migraye to warmer climates during colder months)
Because the soil didn't have the same nutrients it has now due to lack of decomposition of other plants and animals.
<u>Answer:</u>
Cyanobacteria start producing pure oxygen around 200 million years ago.
<u>Explanation:</u>
Many scientists believed that Earth did not have any oxygen. Cyanobacteria or the blue green algae are the microbes which produced oxygen for the first time with the help of photosynthesis. This was around 4.5 billion years ago: after Hadean eon.
They were very simple, but they produced oxygen in the early earth’s atmosphere. So, they brought evolution on earth. This “blue-green algae” exists in salt water, rocks and soils and play a major role in maintaining the ecosystem.
