Of what?, be more specific.
Answer:
<h2>Petroleum that is worthwhile extracting is usually found trapped in layers of permeable rocks by other layers of impermeable rock, but more recently reserves of gas and oil are being extracted from shale which is an impermeable rock but is porous in the sense that there are spaces (pores) within its structure in which ...</h2>
I believe it is the first answer
hope this helps
You put this in the wrong category, but I will still help...
Number 1: 20 centimeters( just look at the graph)
Number 2: I am guessing 40 centimeters. I think you are calculating how long it took your bug to reach point B...
Hope this Helped!
Boston, the biggest burg in New England, is located on a mountainous peninsula in Massachusetts Bay. The region had been inhabited since at least 2400 B.C. by the Massachusetts race of Native Americans, who assemble the peninsula Shawmut. Fearing more tension between Native Americans and settlers, England's King George III upshot the Proclamation of 1763, prohibiting residence westward of the Allegheny Mountains.
