To provide a greater certainty that the observed results are not by chance.
It keeps moving for just a few seconds because of inertia. Say you are going 50 miles down the interstate there is a stop sign when you stop you almost come out of your set that is why we have to wear set belts and that is an example of Inertia. Glad to help
1) I think its biomass which still pollutes the air.
2)gamma rays
Answer:
Explanation:Digestive juices secreted by various organs such as salivary glands in the mouth, stomach, liver and pancreas help in the process of digestion of food. Saliva secreted by the salivary glands in the mouth aids in the breakdown of starch present in the food to simple sugar