You are presented with the question "What is used to scrunch up foil?" and the following answer choices: - tin - awl - parchment paper - an external framework - Physical force - energy barrier - hard outer covering - Evaporation Now knowing that crumple means change shape from smooth into compacted by physical force and crumple the foil then carefully reopen it, choose the best answer.
Physical force
(Question)
You are presented with the question "Something belonging to the phylum Platyhelminthes has what?" and the following answer choices: - alleles - resistance - A finger - parasites - illness - An ear - A toe - A brain Now knowing that flatworms belong to the phylum Platyhelminthes and flatworms have brains, choose the best answer.
(Answer)
A brain
Ques: You are presented with the question "Something that is primarily electrostatic in origin causes water to expand when it what?" and the following answer choices: - heat - freezes - a hazard - boiling - moves - reacts - expelled - it's state Now knowing that hydrogen bonds cause water to expand when it freezes and hydrogen bonds Hydrogen bonds are primarily electrostatic in origin, choose the best answer.
Ans: freezes
(Q).
You are presented with the question "What is the rate of ice wedging?" and the following answer choices: - In the winter - erosion - mechanical - Physical weathering - Dilution - friction - it fluctuates - kinetic Now knowing that cycles of freezing and thawing water cause ice wedging and the fact is that ice seldom freezes or thaws at a uniform rate, choose the best answer.
(A).
it fluctuates
Ques:You are presented with the question "what may become hot when exposed to heat?" and the following answer choices: - coral - gravity - the skin - sugar - density - an object - copper - weathering Now knowing that if a thermal conductor is exposed to a source of heat then that conductor may become hot and copper is a great thermal conductor, choose the best answer.

Ans:copper
You are presented with the question "A switch is used to start the flow of current in what?" and the following answer choices: - Ocean currents - something with fuses. - Veins and arteries. - circulatory systems - Current date - Batter switch - Earth orbiting the Sun - Basic units of the plant body. Now knowing that aswitch is used to start the flow of current in an electrical circuit and electrical circuits have fuses that blow, choose the best answer.
something with fuses.