sandy wrote:
The circulation of the blood makes possible human
adaptability to the ____________ conditions of life, such as atmospheric pressure, level of physical activity, and diet.
A) Inveterate
B) Dynamic
C) Timorous
D) Cowed
E) Turgid
F) Fluctuating
Explanation: Dynamic and fluctuating are the obvious choices.
The keyword is ADAPTABILITY.
What kind of conditions would require humans to be ADAPTIVE?
Well, if conditions kept changing, then humans would have to ADAPT.
So, let's predict CHANGING for the blank.
Check the answer choices....DYNAMIC and FLUCTUATING are great fits.
Answer: B & F
Cheers,
Brent