Rutherford’s experiment showed that some substances allowed alpha particles to pass through them frequently. he theorized this happened because the nuclei were .

True or false, the three major scales used to measure earthquakes are mercalli scale, richter scale and magnitude scale

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

Which of the following best describes the formation of plasma?