Wavelengths of light Blue light has ___ energy than red light, but both forms of light are ____ by green leaves.
a) less, reflected
b) less, absorbed
c) more, reflected
d) more, absorbed
Answer: d) more, absorbed
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It is common for negative estuaries to be:
a. lower in salinity than the ocean. b. nutrient poor. c. nutrient rich. d. lower in temperature than the ocean. e. brackish.
Whether a geographic barrier can block gene flow
depends on an organism’s a. means of travel. b. means of gamete dispersalspeed of travel. c. inclination to disperse. d. range of travel. e. A and B are both correct.
What are the guidelines to setting up a healthy diet?
A) eat a variety of foods B) choose foods high in saturated fats C) eat the right number of calories D) eat foods high in trans fat E) minimize sweets
Polar covalent bonds are formed when the electrons in the bond are not shared equally between the two nuclei. Which one of these molecules contains polar bonds?
(a) molecular oxygen (b) methane (c) propane (d) water