If cocaine causes blood vessels to contract, then what does cocaine make blood vessels do? Answer choices: - It expands - contract - reduce - It decreases - harm them - kill them - Rise - Damages them
contract

If blowing air into a whistle causes a sound source, then blowing air into a whistle causes a what? Answer choices: - rapid blast of heat - kinetic energy - little beads - activation energy - sound source - wind speed - small rattling - mechanical
sound source

If dissolving is when solids are heated and ions move freely, then what is when solids are heated and ions move freely? Answer choices: - dissolving - refreshing - kinetic energy - removing - boiling - barrel-shaped - renewing - unidirectional
dissolving

If amphibians easily absorb chemicals, then what do amphibians easily absorb? Answer choices: - heat energy - water - Energy - Bodily water - chemicals - body water - smog - oxygen
chemicals