The first living things on Earth, single-celled micro-organisms<span> or microbes lacking a cell nucleus or cell membrane known as prokaryotes, seem to have </span>first<span> appeared on </span>Earth<span> almost four billion years ago, just a few hundred million years after the formation of the </span>Earth<span> itself.</span>
Answer:
B
Explanation:
Building more parks and houses will take away homes for animals living there.
Glucose and oxygen!!!
CO2 + Water in the presence of sunlight results in glucose + oxygen
