Answer:
... that cannot be seen directly. These include political boundaries.
The United Kingdom, Poland, Sweden, ...
Answer:
option (1) quartz
Explanation:
The rhyolite is an extrusive igneous rock.
The color of rhyolite is generally pink or gray with very fine grains.
The Rhyolite is composed of quartz, sanidine, and plagioclase,
It also consists of minor amounts of biotite and hornblende.
It has very high silica content.
Hence,
The answer is option (1) quartz
Answer:
Does it have four directions?
Explanation: