Which stimulus causes a responding plant to demonstrate phototropism? direction of light intensity of light length of the day time of day

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations

20 the compound al(nh3)2 has atoms of nitrogen.

9. the history of life on earth is recorded in