Answer:
A. Obsidian
Explanation:
It fits the property described in the question.
It cools so fast that no visible crystal or grain could form. It has high silica Composition, black and glassy. It is also used to make tools with sharp edges
Answer:
U-shaped valleys, hanging valleys, cirques, horns, and aretes
Explanation:
Because he held out hope for the large masses of poor people (the majority) for a better life with much improved housing, education and general living conditions with his socialist/nationalist model the opposite of the governments that Venezuela had had since time immemorial selling out the country's natural resources to foreign companies with no benefits for the majority of the people.
Answer:
They are forced to grow cash crops.