Because it's vital to the survival of all species, not just human, that we have resources such as food and water. Also that those resources be clean and healthy. We also need to manage resources such as oil to make sure there are fewer wars like the ones happening in the Middle East. If you need anything else just message me.
A) platelets aggregate at the wound site, and the fibrin mesh forms
Although the blood vessels do constrict, that's during homeostasis
Your answer would be Physical weathering because it is being caused by a physical being acting upon something
A group of organisms
aka animals
u can just look this up
its like a group of certain animals
like monkeys but like a whole lot of one kind
