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
Tourism boosts the revenue of the economy, creates thousands of jobs, develops the infrastructures of a country, and plants a sense of cultural exchange between foreigners and citizens. The number of jobs created by tourism in many different areas is significant.
Answer:
The Earth's tides will not be as obvious
Explanation:
Earth's tides are caused by gravity from the Sun and Moon. If the moon was further away, it would be less effective to the tides. However, this doesn't mean that we won't have tides because they are still effected by gravity from the Sun.
Answer:
There are so many different ways that people communicate nowadays that would not have been possible years ago. The amount of people who have started campains for out Earth, for people in need, and for their interest is crazy and unbelievably. Would never have been possible without social media.
Explanation:
The answer is a. partial freezing.
