I would say D is NOT one of the reasons why life is found only on Earth
There are approximately 4000 different minerals and each of those minerals has a unique set of physical properties. These include: color, streak, hardness<span>, </span>luster<span>, diaphaneity, specific gravity, </span>cleavage<span>, fracture, </span>magnetism<span>, </span>solubility<span> and many more. These physical properties are useful for identifying minerals.
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Energy because it will make things live way more
The following items can be considered as something that producers can offer to compete for more customers: Better Customer Service. The good you are to deal with your customers the more they will go back to you. Better Product Quality. Customers want the best for themselves and the producers are looking at what is best for their customers.
I am not completely sure, but I think it might be B, Migration out of a stage 3 or 4 country is higher than migration to it.