You are presented with the question "People can be moved where in an airplane?" and the following answer choices: - outer space - oceans - the moon - islands - Pacific - germany - the sun - Mountains Now knowing that aairplane is used for moving people across bodies of water and an island is land surrounded by water, choose the best answer.
islands
(Question)
You are presented with the question "What can be used to power households?" and the following answer choices: - heat - energy - motors - cells - cars - wind - coal - Gas Now knowing that wind is used for producing electricity and this electricity can be used to power households, choose the best answer.
(Answer)
wind
Ques: You are presented with the question "what do scaled animals use scales for?" and the following answer choices: - swimming - Weight - digestion - energy - camouflage - flying - it needs them - energy barrier Now knowing that scales are used for protection by scaled animals and scales provide protection and camouflage, choose the best answer.
Ans: camouflage
(Q).
You are presented with the question "a rubber band snapping causes the particles in the rubber band to what?" and the following answer choices: - It gets heated up - electrically - kinetic energy - mechanical - Energy. - chemical changes - Electrical energy - create sound Now knowing that arubber band snapping causes the particles in the rubber band to vibrate and all sound is created by vibrations, choose the best answer.
(A).
create sound
Ques:You are presented with the question "Heavy metals are _." and the following answer choices: - emissions - dangerous - bent - homogenous - antigens - vehicles - fossil fuels - heat energy Now knowing that antigens are molecules that the immune system recognizes as foreign to the body and heavy metals are, in general, foreign to the body, choose the best answer.

Ans:antigens
You are presented with the question "Blowing air into what causes air to move inside it?" and the following answer choices: - heat - solid plastic - solid glass - solid rock - whistle - sound - a chime - waves Now knowing that blowing air into a whistle causes air to vibrate inside the whistle and when an object moves or vibrates, the air molecules around the object also vibrate, choose the best answer.
whistle