An excess of which of the following would create an algal bloom? I. Nitrates
II. Phosphates
III. Sulfates
A. I only
B. I and II only
C. II only
D. III only

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Awave that is traveling fast can be said to have a high a. frequency b. speed c. wavelength d. amplitude e. period f. none of these

Identify some abiotic characteristics of the tundra biome.