The conservation of matter principle is that matter
A. can neither be created nor destroyed.
B. must be used carefully or Earth will eventually run out.
C. cannot be created, destroyed, nor changed in form.
D. is composed of atoms and molecules.
Answer: A
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Most oil and natural gas is found in
A. igneous rocks. B. sedimentary rocks. C. metamorphic rocks. D. All of these choices are correct.
The aurora borealis:
A) is a different type of physical phenomenon than the aurora australis. B) gains its energy from sunlight reflected from Earth. C) is typically strongest near the equator. D) emits light as electrons move from higher orbits around the nucleus to lower ones.
The presence of an exoskeleton enables an organism to adapt to shallow water by providing protection from ____________________
Fill in the blank(s) with correct word
Chipmunks and flying squirrels competing for truffles is an example of ________
A) interspecific competition B) exploitation competition C) interference competition D) intraspecific competition E) habitat competition