What is is a hydropneumatic suspension?

What gives gemstone their color? What does katniss believe has caused the natural disaster that settles in the arena in part 2 chapter 13? What is the thickness of Johnson Ziploc? What are carpet mushrooms? How would you describe the magnetic field produced by a current in a straight wire? What does the atomic number of elements tell you about elelments? What is the year when Jupiter will come close to earth? What are major causes of thinning of the ozone layer? Does prokaryotic cells divide through the process of mitosis? What is the polarity of IO2 1? Why edible oils are measured in kilogram and not in liter? What is Ability of matter to change in to a different substance? Is mt Adams active dormant or extinct? What is the magnetic force around a magnet? What is power in IR? Will exactly one mole of calcium hydroxide neutralize exactly one mole of phosphoric acid? Is americium Malleable or brittle? How do you prune a tree fern? In photosynthesis where is the oxygen released and the CO2 taken in on the plant? What Jelly like fluid within cells?