Ques:You are presented with the question "What organism's instruments of flight are part of the exoskeleton and attached to the thorax?" and the following answer choices: - insects - organs - barnacles - butterflies - to move people - honeybees - it needs them - Electric devices Now knowing that wings are part of the exoskeleton and attached to the thorax and butterflies bask to heat up their wing muscles for flight, choose the best answer.

Ans:butterflies
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Ques:You are presented with the question "what adults are barrel-shaped?" and the following answer choices: - offspring - fertile - barnacles - Length - insects - sea squirts - humans - beer Now knowing that adult tunicates are barrel-shaped and tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic, choose the best answer.

Ans:sea squirts
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Ques:You are presented with the question "what can an atom be?" and the following answer choices: - Energy. - energy - microscopic - dangerous - small - nucleus - an object - negative Now knowing that if a neutral atom loses an electron then an atom with a negative charge will be formed and if an atom loses an electron, it is then positive, choose the best answer.

Ans:negative
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Ques:You are presented with the question "what between objects formed deep within the Earth causes them to smooth" and the following answer choices: - Movement - loose soil - erosion - contact - soils - break off - friction - Bend Now knowing that contact between rocks over long periods of time causes rocks to smooth and metamorphic rocks are rocks formed by the alteration of preexisting rocks deep within the Earth, choose the best answer.

Ans:
contact
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