Ahypothesis is developed by determining a way to test multiple uncontrolled variables.
t or f ?

How have the greenhouse gasses increased from the year 2000 to 2018

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

Which of the following is true about the speed of light? it depends on the wavelength.