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Which of the following characteristics of water helps explain why coastal areas experience less dramatic temperature changes during the day?

A. Water has a high specific heat capacity

B. Water is a versatile solvent

C. Water forms covalent bonds with other water molecules

D. Water's adhesive properties prevent evaporation

Answer Explanation:

Water has a high specific heat capacity, which means it can absorb and store a large amount of heat energy without significantly changing in temperature. This helps moderate the temperature fluctuations of the air near the coast, as water can store heat during the day and release it at night, or vice versa.

Therefore, the Correct Answer is A.

Q #1: Which of the following atoms is most likely to become a cation?

A. Oxygen, atomic number 8

B. Fluorine, atomic number 19

C. Helium, atomic number 2

D. Fluorine, atomic number 9

Answer Explanation

Fluorine has a high electronegativity, and therefore, it has a strong attraction for electrons and tends to gain electrons to form anions. Therefore, it is more likely to become a cation by losing an electron.
Q #2: Which of the following is the term given to the sequence of nucleotides that contains the information to make a specific protein molecule?

A. Locus

B. Promoter

C. Operator

D. Gene

Answer Explanation

A gene is a segment of DNA that codes for a specific protein or polypeptide.
Q #3: Experiments cannot validate hypotheses, only falsify them The statement above can be restated in which of the following ways?

A. Until disproved, an exploration for an observation is valid

B. A hypothesis that has not been falsified remains provisional

C. Certain concepts cannot be subjected to direct experimentation

D. Proving a hypothesis exempt from further testing

Answer Explanation

This means that a hypothesis is considered valid until it is disproved by experimental evidence. However, even if a hypothesis has not been falsified, it is still considered provisional and subject to further testing and scrutiny.

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