What explains the lack of volcanic gases, such as sulfur dioxide, hydrogen sulfide, and hydrogen chloride, in Earth's atmosphere?
A) radioactivity
B) reactions with oxygen
C) crystallization reactions
D) weathering reactions
Answer: D
You might also like to view...
What elements of study do physical and human geography share?
A) They are concerned with patterns in space and why and where things occur. B) They both are trying to solve human's influence on the environment. C) It is common for professors to teach both areas. D) They are both concerned with the migration of people from one area to another. E) They both focus on the cultural aspects of geography.
Sinkholes are triggered when the groundwater level rises.
a. True b. False
Today, more than ________ percent of Earth's surface is affected by periglacial conditions
A) 90 B) 75 C) 60 D) 20 E) 1
Current flow direction can be determined by cross-beds and some ripple marks
a. True b. False