Answer:
<em><u>it is true 10000% sure</u></em>
hope i helped
-lvr
There are so many examples for that in different areas, like biology experiment carried out in our lab recently.
Here's one linhttps://www.creative-biogene.com/support/Lentiviral-Vectors-the-Application-for-CAR-T-Therapies
k:
decomposition of what was alive then the remains are buried by sediments which results in fossilization
Factories, cars and cigoretes.
All of these things are polluting the air cuasing it to heat up more which is cuasing global warming