Which substance is a compound?
A. water
B. oxygen
C. nitrogen
D. hydrogen
E. carbon
Answer: A
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Geopolitics
A) was first discussed in the middle of the twentieth century. B) focuses on the economic cooperation between countries. C) includes ideas that advocated territorial expansion of countries. D) is the study of political geography.
Continents are cored by large areas of exposed ancient rocks called ____________________, which are tectonically inactive regions
Fill in the blank(s) with correct word
What is the IUPAC name of isobutyl mercaptan?
A) 2-butanethiol B) 2-methyl-1-propanethiol C) 2-methyl-2-propanethiol D) none of these
Draw a diagram of the rock cycle. Be sure to include the following terms: igneous rocks, magma, metamorphic rocks, sedimentary rocks, sedimentation, weathering, heat, and pressure.
What will be an ideal response?