Where is the insertion of the sartorius?

Sartorius is inserted in the tibia.

Explanation:

Sartorius muscle is orginated from the iliac spine of the pelvioc bone. This muscle is the longest muscle of the human body. This muscle runs down on the thigh's anterior compartment.

The sartorius muscle is inserted in the anteromedial surface of the proximal tibia in the pesanserius. The insertion can be shown on the upper medial  of the tibia. Femoral nerve innervates the sartorius muscle.

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.