Which sentence contributes to the reader's knowledge that Kelvin was creative in solving the problem of having no batteries? He needed batteries to power his homemade devices.
Kelvin did not have the benefit of a science education at school.
These are ingredients he found at a neighborhood dump!
Yet, he figured out how to make a battery using soda, metal, and tape.

Ivansanger rainsfordgeneral zaroffwhitneyadventurous hunter; calm and composed; considers himself a realist; new yorker; veteran of world war ia hunter; sympathetic to the plight of voiceless, defenseless animals; cautiouscossack; mute; formidable physical stature; wears a black uniform; used to whip prisoners for the great white czarcossack; aristocrat; has sharp, pointed teeth and red lips; devoid of humanity and emotion