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: B
Explanation: B is showing how a farmer(Im going to assume) is giving treats/bigger meals to goats that are giving the most produce this choice reminded me of a dog getting treats if it does a good job.
The financial assistance for smaller nations’ economic negotiating teams are ruled out by the World Trade Organization (WTO). This system makes sure that all members enjoy balance of rights and obligations. There are as well many privileges countries provide.Answer here is D.
Oceanic Crust
Continental Crust
Oceanic crust is denser than continental, this is why continents are at higher elevation than oceans.