1.ration
2.smolders
3.trudge
4.gallant
5.lukewarm
6.clatter
7.awkward
8.scholar
9.plentiful
10.weary
11.reserve
12.volunteer
It could be migrating worker.
Susan is the third daughter.
I believe the correct answer is nuclear fusion. The sun's energy is produced by nuclear fusion of hydrogen and helium. With the fusion reaction, large amounts of energy is being produced from the collision of the nuclei. Hope this helps.
We went swimming in the sea on a pleasant sunny summer day.
