Ques:If precipitation reaching any underground void can cause a cavern to form, then precipitation filling an underground void can create what? Answer choices: - clouds - soils - cavern - electricity - mountain - rain - rivers - flooding

Ans:cavern
-----
Ques:If machines can cause objects to change shape, then what can cause objects to change shape? Answer choices: - Pulleys - a prism - Machines - Heat energy - Animals - mechanical - Lifts - Temperature

Ans:Machines
-----
Ques:If keeping food fresh for a long period of time is a major user of electricity, then keeping food fresh is a major user of what? Answer choices: - kinetic energy - coal - eating dinner - hydration - heat energy - growing vegetables - electricity - Energy

Ans:electricity
-----
Ques:If pesticides protect plants by killing predators, then pesticides do what to plants by killing predators? Answer choices: - kill them - decrease stamina - protect them - massive damage - toxins - animals - hydrate them - burn them

Ans:
protect them
-----