How many chromosomes are there in dragonfly?

How do the Ayelu and Likaiu volcanoes fit into the pattern you have observed? What is the slica content of magma that has a low viscosity? Why do proteins with multiple disulfide bonds stronger? What is the pesticide called DDT? How many kgs are 10 lb? What is the name of the lid that covers the opening of the windpipe? Decreasing heart rate is under the control of what nervous division? Explain why plants make their sugar in the leaves? What do you call the imaginary circle on earth where the south pole starts? Can your body sweat out infection through the feet? What prevents most asteroids comets and meteoroids from colliding with the earth? What is the north pole also called? How does electronegavity affect the polarity of the bond between two atoms? How much heat is needed to get a bolt out? Can people hold their breath for more than 3 minutes? Can a time period be recognized by its fossil content? How is it possible for a cylinder of helium to fill 700 balloons? Is rubber polypropylene? Can plants and and animals survive without bacteria? How precipitation intensity can affect discharge in a river channel?