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:
It allowed land-grant colleges to perform experiments in the fields of rural farms.
Explanation:
<h3>
Answer: C) Sunlight</h3>
Coal, uranium, and natural gas are all drawn from the earth. These items are limited in nature and will run out someday. So they are not considered renewable. On the other hand, sunlight is effectively unlimited in terms of how long the sun will last (for a few more billion years or so), which is why sunlight is considered a renewable resource.
Answer:
d.Modena and Parma didnt become part of sardinia
