To spear a red fish with a red laser beam, compensate for refraction and aim your laser
A. directly at the sighted fish.
B. above the sighted fish.
C. below the sighted fish.
D. none of the above
Answer: A
You might also like to view...
According to environmental scientists, what are the desired criteria for an energy source in deciding which one to use?
A. High or medium net energy yield with low environmental impacts B. Low or negative net energy yield with low environmental impacts C. High or medium net energy yield with high environmental impacts D. Low or negative net energy yield with high environmental impacts
In the United States and most other developed countries, there has been an increase in the number and quality of _______________ treatment plants since the 1970's
Fill in the blanks with correct word
Why do tropical coral reefs prefer high wave energy locations?
a. They are hard enough to sustain themselves during the wave action. b. They receive less sunlight in these areas. c. They become the first to obtain dissolved gases and food particles. d. They need high levels of sunlight
The IUCN's Red List is ________
A) an identification list of known species B) a scorecard of international failures at conservation C) an updated list of species facing unusually high risk of extinction D) a list of ecologically harmful invasive species E) a list of unidentified species