________ are the smallest electrically neutral assemblies of matter and energy that we know of in the universe.
A. Electrons
B. Atoms
C. Ions
D. Isotopes
E. Protons
Answer: B
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What was significant about African Humid Period?
A) Northern Africa was almost completely vegetated. B) The Sahara Desert was greatly expanded. C) Savanna landscapes were minimal. D) South Africa was heavily glaciated.
The cP air masses pictured here originate
A. over land masses and bring warm air during the summer. B. over land masses and bring cold air during the winter. C. over water and bring cold air during the winter. D. over water and bring warm air during the summer.
A(n) _______________ is the amount of heat required to raise the temperature of 1.0 gram of water 1.0 degree Celsius
Fill in the blank(s) with correct word
What is a storm surge? How does a storm surge form?
What will be the ideal response?