Answer:
Extraction of oil from tar sands is not economically feasible.
Explanation:
<span>If an island had 1000 cats on it, an ecologist would use the word 'population' to describe all the members of that species</span>
The answer is Glycogen, hope this helps
Molten material is allowed to solidify into the final shape.
Casting defects occur during solidification:
Gas porosity
Shrinkage
Two stages of solidification:
Nucleation
Growth
