I like 4 the best. If an organism is covered by sediment before the body decays the sediment can harden around the decaying body and the imprint will be preserved in the hardened sediment.
Mutualism is when both organisms benefit from the relationship.
<span>She should mention the effect of nicotine on vasoconstriction. When nicotine is ingested, it can cause blood vessels in the peripheries to narrow and leads to an increase in blood pressure. This can lead to any number of deleterious outcomes, such as hypertension and heart disease.</span>
If you are crushing the plastic bottle then yes decreasing its volume by crushing is a yes to increasing pressure.