On the weather map, what does the symbol shown below represent? A circle is shown with a slanting line. There are three ticks at the tip.

Cloud cover
Flurries
Snow
Wind speed

What is the fate of the electrons that interact with a specimen in an electron microscope?

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

J. j. thomson’s experiment disproved the theory that an atom