Answer:pencil life cycle is way different because as you know they make pencils from wood which is trees so they have to grow the trees first.
Explanation:
The last one because plants move oxygen out to the atmosphere while taking in C02
Fossils are the remains or impression of the dead animals and plants that lived in the past.
The body contains about a trillion cells
Answer:
Yes, Mass Extinctions May Have Been Caused By Meteors, as the probability of mass extinction occurring after an asteroid that could hit a random location on the Earth's surface was approximately 13% when the Chicxulub-scale asteroid hit the Earth.
Soot could be the main cause of mass extinction after an asteroid impact.
