(Question)
If chemical messengers travel throughout the body in the blood, then what travel throughout the body in the blood? Answer choices: - testes - matter vibrating - zygotes - gametes - kinetic energy - chemical messengers - Veins and arteries. - electromagnetic energy
(Answer)
chemical messengers

(Question)
If cold fronts cause lightning, then cold fronts cause what? Answer choices: - lightning - Dehydration - erosion - mountains - sunlight - rainfall - sunsets - flooding
(Answer)
lightning

(Question)
If foil can be scrunched up by physical force, then what is used to scrunch up foil? Answer choices: - tin - awl - parchment paper - an external framework - Physical force - energy barrier - hard outer covering - Evaporation
(Answer)
Physical force