Describe slash and burn agriculture

Slash and burn agriculture is practice for clearing the thick vegetation to male the land for cultivating.

Explanation:

Slash and burn agriculture is widely used in forested land to clear plants for the cultivation of crops. This method of agriculture is generally practiced by tribal people for subsistence farming in regions of northern South America, Central Africa, and Southeast Asia. It is often functioned in areas where open land for farming is not accessible because of thick vegetation. Historically Mayans were advance in agriculture, use a method called slash and burn agriculture before planting crops.

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.

a)scientists

explanation:

the national defense education act had two main goals. the first one was to provide personal that was oriented to defense, including scholars, engineering students and so on. the other goal was to provide financial assistance for the students who would be enrolling at colleges and universities in the 1960s.