A. Right off the bat because the main purpose is the keep a check on the weather, seeing if it's a storm developing or just to collect data and compare with past/ recent data.
For the answer of this question it going to be A
<u>Answer:</u>
The narrator's mood is determined by the state of the relationship with his love.
<u>Explanation:</u>
In the given stanzas from the poem ""Ballad"" by Paul Laurence Dunbar ,it determines the narrator's mood in which state of the relationship with his love which can be shown as in the first stanza the author writes about all the nice and happy things in life as his love life is going well and good and happy
whereas it changes to a doubt for love and sadness and doubt is expressed as his relationship isn't in a good happy phase.
Energy means the ability to do something