Which staement best describes air pressure at high altitudes? a) air pressure descreases as altitude increases b) air pressure does not change as altitude in creasesc) it is impossible to accurately measure air pressure at high altitudesd) air pressure increases as altitude increases

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.