something that causes an organism to decay. It could have been eaten, or an air pocket formed as it was fossilizing or basically anything that obstructs the formation of a fossil.... you have to figure the rest out; )
Answer:
letters b and d don't define the cell theory
When water is called polar molecular that means that there is an uneven distributor of electron density
You can increase positive impact on the environment in many ways build more bird houses for the birds clean up dirty streams and creaks
