The electromagnetic radiation that causes tanning:
a. can produce cancer.
b. rarely passes through glass windows.
c. is absorbed by ozone.
d. is all of the above.
d
You might also like to view...
What is the focal length of the combined lenses with individual powers of 8.0 diopters and 4.0 diopters?
A) 8.0 cm B) 5.6 cm C) 6.0 cm D) 8.3 cm E) 4.0 cm
Jane has about $536 in her checking account, about $2107 in her savings account and exactly $7.62 in her purse. To the best precision possible, how much money does Jane have?
A) $2651 B) $2,650 C) $2,650.6 D) $2,650.62 E) $2,650.620
Lighting is a place where lots of energy can be saved
What will be an ideal response?
Which of following statements about the image formed by a single concave lens are true? (There could be more than one correct choice.)
A) The image is always real. B) The image is always virtual. C) The image is always inverted. D) The image is always upright. E) The image is always smaller than the object.