What is true about all uranium atoms? they each have the same number of nuclear particles. they each have the same number of neutral particles. they each have the same number of neutrons. they each have the same number of protons.?

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

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island