Which shows the order of decreasing atomic size? a. Si, Al, Mg, Na
b. I, Br, CI, F
c. Be, Mg, Ca, Sr
d. C, P, Se, I

What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied