___ N2 + H2 LaTeX: \longrightarrow⟶ NH3 In the above chemical equation, what type of reaction is it? Group of answer choices double replacement combustion single replacement decomposition synthesis

In an energy pyramid, which level has the most available energy?

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

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