Susie is conducting an investigation to find out what type of fish are in two ponds near her house the results are shown in the bar graph below how many more perch are in pond 2 than pond 2
a. 5
b.10
c.30
d. 8

and i oop

explanation:

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.