Which one of the following is the most abundant gas in the atmosphere
oxygen
argon
carbon dioxide
nitrogen
nitrogen
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If a quartz sandstone is subjected to metamorphism, the resulting rock will be a marble Indicate whether the statement is true or false
.
The United States and Canada have always been in strong agreement on critical aspects of economics and trade issues
Indicate whether the statement is true or false
Some 135,000 congregations-counting Catholic parishes, synagogues, Protestant and Eastern Orthodox churches and evangelic congregations-have been provided with resource kits on environmental issues.
Answer the following statement true (T) or false (F)
Which of the following is true about how a stream erodes material?
A. Water cannot erode unless it is carrying sediment. B. Abrasion is concentrated on the upstream side of obstructions. C. Turbulence of the water is less important than the temperature, which affects viscosity. D. Erosion occurs equally on two sides of a bend. E. All of these choices are correct.