Answer:
highly developed nation with an aging population
Explanation:
read carefully
Answer:
5,550
Explanation:
it was 3500 BCE.
which is 5,500 years ago.
Answer:
is the outermost layer of the atmosphere
Answer:
Fossil fuels are carbon-based energy sources like coal, oil and natural gas created from decayed plants and sea creatures that accumulated in the oceans. A biofuel is any fuel that's made from plant materials
Explanation:
<span>Magma that reaches the surface is referred to as lava.</span>
