Which refers to the number of wavelengths that pass a fixed point in a second? wavelength
O amplitude
frequency
O compression

Please hurry will give brainliest on 10 mins

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

One or more substances changing into one or more substances is an example of a

What are fructose and glucose an example of?