(Q).
If one of the oldest forms of energy used by humans can be used to produce electricity, then one of the oldest forms of energy used by humans can be used to produce what? Answer choices: - food - engines - waves - chemicals - Decibels - sound - energy - hormones
(A).
energy

(Q).
If hairy animals nourish young with milk, then how to mammals nourish young? Answer choices: - nectar - organ - fur - H 2 O - solitude - milk - birth - ignorance
(A).
milk

(Q).
If sweating and shivering have different effects on our core temperatures, then what will make human temperatures go in a different direction from what sweating would do? Answer choices: - humidity - shivering - improve - energy usage - a blazing fire - hot air - harm them - Damages them
(A).
shivering