A hypothesis is a prediction of what you believe to be true.
Answer:
What is the question? It looks like a fact.
Explanation:
Nothing unless it was dug out from roots if not they would grom back in a long period of time
Answer: 2800 g
Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to molecular mass and contains avogadro's number
of particles.
Given mass = 5 kg = 5000 g
1 mole of
produces = 1 mole of 
50 moles of
produces =
of 
Mass of 
2800 g of
is produced from 5.0 kg of limestone.
Testable, that is always required for a hypothesis. Otherwise, how can you prove it?