A pollutant that forms in the atmosphere by chemical reaction with primary air pollutants, natural components in the air or both

A) Primary Pollutant
B) Smog
C) Air Pollution
D)Secondary Pollutant

the real answer is b. scintillation counter

what school and grade?

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.

she will be charged $6

step-by-step explanation:

48 dollars divided by 200 beads equals .24 dollars a bead

.24 multiplied by 25 more beads equals 6 dollars as the total cost