Hey there Lorin!
Long period comets come something called the OORT CLOUD.
Short period comets come from the kuiper belt.
-Steel jelly
Answer:
A
Explanation:
The supply of labor decreases because of a decrease in the after-tax wage rate this decreases a labor decreases the potential output of an economy known as GDP
Answer:
planetesimal is (astronomy) any of many small, solid astronomical objects, that orbit a star and form protoplanets through mutual gravitational attraction while planet is (astronomy) a body which orbits the sun directly and is massive enough to be in hydrostatic equilibrium (effectively meaning a spheroid)
Answer:
The species that make up an ecosystem are connected in complex 'food webs' of eater and eaten. When one species disappears, its predators can no longer eat it and its prey are no longer eaten by it. Changes in these populations affect others. Not only that but the ecosystem would be dramatically different or cease to exist altogether.
They were both alive at one point and they also were organic beings
