Yes, because the envelope can be a important document- so therefore it can be considered "confidential".
Answer:
A.) Pollen are well preserved in the sediment layers because they are highly resistant to decay.
B.) Other indicators that can be used to determine past climates are through the analysis of the width of tree rings and the coral reefs formed underwater.
True or false
I don’t knoe I only read in 8th grade
Sorry
By performing controlled experiment that are tested by gathering more data based on observations
Increase over time because it is moving away from each other.
*Sea floor spreading
