What instruments are used by scientists to measure wind speed

Choose one of these concerns and write a short paragraph about its impact on africa. what has caused this problem to occur, and how has it impacted people who live there?

Humphreys collecting data for the tearoom trade study under the pretense that he was a lookout is an example of a violation of the principle of: a. justice. b. beneficence. c. respect for persons.

What would you call a political system that is only meant to last for a short time