Automobiles Traveling on a Road with a Posted Speed Limit

question 122

Multiple Choice

Automobiles traveling on a road with a posted speed limit of 65 miles per hour are checked for speed by a state police radar system.The following table is a frequency distribution of speeds. How many of the cars traveled less than 75 miles per hour?

• A) 275
• B) 325
• C) 650
• D) 675

Analyze legislation and initiatives aimed at reducing water pollution.

Appreciate the significance of sustainable water supply and quality management techniques.

Identify sources of water contamination and understand their health impacts.

Grasp the concept of eutrophication and its ecological consequences.

---

Definitions:

Advancing Warm Air Mass

A body of warm air that moves into an area previously occupied by cooler air.

Grazing Mammals

Grazing Mammals are a group of mammals that primarily feed on grasses and other ground-level vegetation, playing a key role in ecosystems by shaping vegetation structure.

Occasional Fires

Fires that happen sporadically in ecosystems, which can play a natural role in shaping vegetation patterns, nutrient cycling, and habitat structure.

Grasslands

Vast open areas dominated by grasses, used for grazing, and can be found in various climates around the world.