Answer:
vAccording to one data set, the average American has has an ecological footprint over four times larger than the global average.
<span>2)How did volcanoes affect the origins of the seas?
</span><span>answer) Volcanoes released water from the core and rock strata putting it into the atmosphere. Traditional theory says no volcanoes = no water = no oceans. More recent theory suggests that a good portion of the water on earth may have come from commentary bodies.</span>
A model organisms is a species that has been widely studied, usually because it is easy to maintain and breed in a laboratory setting and has particular experimental advantages. model organisms are non-human species that are used in the laboratory to help scientists understand biological processes.
(
First part is explaining second part is explaining the uses)
Answer:
2 and 4.
Explanation:
Frostbite is the causing of parts of your body getting to cold. Hypothermia is another cause of the cold. Both of the other ones are causes of heat