Match the term with the definition. Atom Answer 1
the basic unit of an element
Element Answer 2
a substance that cannot be broken down into a simpler substance
Particle Answer 3
the basic unit of an element
Phase Answer 4
a unique form of matter in which it can exist

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.