There is an unwritten coefficient of "1" in the following equation: 2H2 + O2 --> 2H20 (a) True
(b) False

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

The electromagnetic force acts between what

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen