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In the United States, the rangeland profession emerged as a crisis discipline to address severe overgrazing and degredation of western US rangelands.

Solar radiation is more concentrated at the poles compared to the equator.

Match names/events with outcomes related to range management history in the United States.

image 6.png pic 6.jpg What is the common name of this plant?

In a Hadley cell, cold air sinks around 30° latitude and rises near the equator.

During a spill cleaning operation in a creek near the San Antonio River, a vacuum truck from the San Antonio River Authority pumped 30 m3 of a mixture of water and diesel. The mixture was stored in a tank on top of the vacuum truck. The tank is 3 meters high and was filled to capacity. After one hour, water and diesel separated, with one fluid sinking to the bottom and the other floating to the top. Answer the questions: 1) What is the absolute pressure in kPa at the bottom of the tank, knowing that diesel occupies 10% of the total volume of the tank? 2) Which fluid sank to the bottom? Water or Diesel? The specific weight of diesel is 8,440 N/m³.

All social institutions are made up of people, so it is important to figure humans into the equation.

Imagine that there is a massive protest against some restrictive government policies. The protest gets out of hand and some looting and fighting results. The day of the protest was cold and rainy, and experts imagine that more people would have attended the protests if the weather had been better. Is this an example of natural v. social issues?

The number of those killed by drunk drivers has dropped from about 25,000 a year in the 1970s to closer to 10,000 a year today. This is definitely a significant improvement, so why is drunk driving still considered a social problem?

There are often not great solutions for natural disasters, like floods or tornados. Which BEST explains why they are still considered social problems?