The subatomic particle that can absorb and emit light energy is the
a. proton.
b. neutron.
c. electron.
d. quark.

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?

What is the formula that this ionic compounds could form sr2+p3-o2-

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?