Tropical rainforest covers 2% of the earth's land surface. If there are 197,000,000 square miles of land surface on earth, how many square kilometers of rainforest are there?

23. public and private investment in infrastructure include all of the following except a) worker knowledge and skill development b) telecommunication systems, internet provider systems, and power distribution systems c) highways, transit systems, airports, harbors, and educational facilities d) fire departments, police departments, and public safety systems e) water systems, wastewater treatment systems, and navigational systems

What is the top speed in a parking lot? a. 10 mph b. 20 mph c. 25 mph d. 30 mph

The approach that contends psychology must study internal mental events in order to fully understand behavior is: