The answer is : Limestone
I think it's showing how much those things are being used. For example, JAVA is being used 7.7% out of the total amount. The total amount is all of the percents added so : 30.8+30.8+15.4+7.7+7.7+7.7=100.1. About 100. JAVA is 7.7 out of 100. JS is 30.8 out of 100. CSS is 15.4 out of 100. The others the same way
I hoped I helped!
If the driver had only consumed the 2 beers as he claimed, he would show little to no signs intoxication. He would be slightly frightened for being pulled from over but he would not be overly relaxed such as being overly friendly with the police officer.
Answer:
In animal field studies, why do scientists usually try to work without making the animals aware that the humans are present? It is necessary to observe the animals without disturbing them. When a controlled experiment is not possible, why do scientists try to identify as many relevant variables as possible?