A recovered corpse is identified as that of a witness in the trial of a notorious drug lord. The corpse was in the final stages of decomposition so there was no tissue and all insects had dispersed. Based on testimony of an associate of the deceased, mercury
poisoning was suspected. What would you test to determine that the victim was exposed to mercury?

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

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

What causes the formation of ocean currents?