Louis pasteur discovered that germs cause illnesses. he invented a process called pasteurization to kill germs in food. when government agencies began requiring pasteurization in food, society most likely observed a(n) what.

a. decrease in food borne illness
b. increase in food borne illness
c. decrease in vaccinations
d. increase in vaccinations

i think its d but i need plz

Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?