Answer:
the fact or process of a species, family, or other group of animals or plants becoming extinct.
Explanation:
extinct means the disappearance of something meaning it is no longer alive or reproducible
Answer: you can recognize a plant cell by its rigid cell wall and by the fact that it contains fluid filled space known as a vacuole.
Explanation: hope this helps!
oo, The Big Bang theory predicts how much of each element should have been made in the early universe, and what we see in very distant galaxies and old stars is just right. You cannot look in new stars, like the Sun, for this evidence, because they contain elements that were created in previous generations of stars.
i hope you will get some knowledge from here❣
Answer:
Natural air pollutants include radon, fog and mist, ozone, ash, soot, salt spray, and volcanic and combustion gases.