★ Human Eye Quiz
The focal length of the eye lens increases when eye muscles
A. are relaxed and lens becomes thinner
B. contract and lens becomes thicker
C. are relaxed and lens becomes thicker
D. contract and lens becomes thinner
Select your answer:
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Sources Of Food › ViewThe relationship between organisms for transferring nutrients is called a _____.
A. food chain
B. food web
C. food link
Nutrition › View
Which would most likely contribute to better digestion and respiration?
A. eating junk food
B. frequent exercise
C. playing video games
D. regular visits to the doctor