One of the main ways that humans can cause a desert to appear where one did not exist before is by blank

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

The magnitude of an earthquake is typically calculated according to the scale.           a. mercalli   b. fujita   c. richter   d. saffir-simpson  

One reason that madrid became the capital of spain is because of its