Why are igneous rocks that consist of very small crystals called aphanitic?
A) Aphanitic comes from the Greek word phaneros, meaning visible.
B) Aphanitic comes from the Greek word aphaneros, meaning invisible.
C) They form deep within the earth's crust.
D) They form deep within the earth's ocean.
Question 2
Why is the texture of the igneous rock obsidian glassy?
A) Obsidian commonly forms at the surface of lava flows.
B) Obsidian always forms beneath the earth's surface.
C) Obsidian is aphanitic.
D) Obsidian is phaneric.
Animals of Hindustan monkeys called bandar that can be taught to do tricks
Why Cells Are Small
Pulse oximetry. The small device provides a digital readout of oxygen levels in the blood.
Although average brain size increases gradually though time in H. erectus, individuals with small br
Early cities were small economic centers surrounded by walls to keep out enemies. These cities had ...
Three-dimensional models of the small and large subunits of ribosomes.