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.
The alimentary canals of a nonruminant herbivore and a small carnivore.
Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to
Small and large intestines
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.
Bacterial small noncoding RNAs regulate gene expression