Mrs. smith's sixth grade science class conducted a class project on the effects of uv-b radiation on salamanders. the class designed and performed an experiment testing the effects of uv-b on salamander egg hatching success. the results of their experiment are shown in the graph.

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?

Stage in which a typical star has completely stopped fusion