Why is dacite considered a fine-grained rock felsic rock?
A) It contains very little silica.
B) It contains a lot of silica and feldspar.
C) It contains a lot of iron and magnesium.
D) It contains an intermediate amount of silica.
Answer: B
You might also like to view...
When DNA is replicated in eukaryotes,
A) the new molecule of DNA consists of two newly synthesized strands. B) a molecule of messenger RNA (mRNA) is constructed using DNA as a template. C) the new molecule of DNA includes the bases A, C, T, and U. D) each new molecule of DNA consists of one old strand and one new strand.
The specific heat of aluminum is 0.22 cal /g·°C Assuming that no heat is lost during the experiment, what will be the final temperature if 30.0 grams of aluminum at 95°C are added to 100.0 grams of water at 25°C?
A) 29°C B) 33°C C) 54°C D) 60°C
What is the fundamental subunit of matter?
A. compound B. mixture C. atom D. molecule
A structural downfold is also known as a(n) ____
a. rift b. anticline c. overthrust d. syncline