Hich of the following equations is balanced correctly?

a.
2 c2h2 + 5 o2 → 4 co2 + 2 h2o

b.
3 h2o → h2 + 3 o2

c.
2 c3h3 + o2 → 2 co2 + h2o

d.
cl2 + 2 kbr → kcl + br2

Will a heavier bowling ball hit pins better than a lighter bsll

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.