As light passes from one medium to a medium of a different density
a. it is refracted.
b. it bends at specific angles.
c. it changes wavelengths.
d. both (a) and (b) above.
e. all of these answers.
D
You might also like to view...
Which of the following statements regarding blood capillaries and lymphatic capillaries is not true?
A. Endothelial cells of both blood and lymphatic capillaries are joined by tight junctions. B. Bacteria and lymphocytes may move into lymphatic capillaries through gaps between cells. C. Lymphatic capillaries are closed at one end, unlike blood capillaries. D. Both lymphatic and blood capillaries are lined with endothelium. E. Both lymphatic and blood capillaries reabsorb fluid from tissue spaces.
Aldosterone:
a. increases sodium reabsorption by the kidney b. increases water reabsorption c. increases the water volume in extracellular fluid d. all of the above
The external urethral sphincter is reinforced by a skeletal muscle sheet called the ____________
Fill in the blank(s) with correct word
Which statement is false regarding rheumatoid arthritis?
A. It is the most common form of arthritis. B. It is an autoimmune disorder. C. It can affect a person of any age. D. It is a progressive disease.