One effect of air pollution is destruction of
a. the nitrogen cycle
b. photosynthesis
c. the ozone layer
d. chlorofluorocarbons

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

The arrows indicate the direction of wind flow. which place experiences monsoons?

Drag each label to the correct location on the chart. match the function to the type of tissue