What occurs during a temperature inversion

Are substances released into the environment that in excess amounts cause damage

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism