(Q).
If echolocation is used to find objects underwater, then what is used to find objects underwater? Answer choices: - echolocation - a hydraulic system - heat energy - Electrical energy - dolphins - mussels - by indirect light - rays or beams
(A).
echolocation

(Q).
If cell phones can cause people to crash their car, then cell phones can cause people in cars to what? Answer choices: - eardrum - crash - death - Injury - stop for gas - get a flat tire - move - have a breakdown
(A).
crash

(Q).
If most people can survive only a few days without H20, then most people can survive only a few days without what? Answer choices: - carbon dioxide - oxygen - h2o - H20 - NaCl - CO2 - soda - urea
(A).
H20