A system consists of electrons and protons only. The number of electrons is 10 and the charge of the system is +2e. Find the mass
of the system. Given that mass of proton is 1.67 × 10−27kg.

List one type of erosion and describe how it happens?

Which statement correctly describes the relationship between frequency and wavelength?

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf