The reaction of substance A with substance C was carefully s…

The reaction of substance A with substance C was carefully studied under conditions where the remained essentially constant.  The graphs of vs. time and that of ln vs. time both gave curves, but the graph of 1/ vs. time gave a straight line. The reaction is therefore _______ order with respect to A.

The cattle egret Bubulcus ibis is often found around cattle…

The cattle egret Bubulcus ibis is often found around cattle in the Americas or large ruminants such as elephants and rhinoceros in Africa. When these ruminant species walk and graze, some insects take flight and these insects can be easily spotted and captured by the egret. What ecological interaction exist between the egret and the ruminant species?