PLEASE HELP MY TEACHER GAVE ME A TEST

This is the act of doing an experiment over a number of times, recording the results, and then analyzing the data using statistics to arrive at the answer with a stated error.

What type of pollution does household garbage cause

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.