Ques: If heat build up causes an object to lose energy, then what causes an objects to lose energy? Answer choices: - Greenhouse gasses - layers of fat - fur and fat - Dehydration - heat build up - sweating - chemical messengers - Temperature
Ans: heat build up

Ques: If mammals can also generate little bursts of heat by muscle contractions, then mammals can also generate little bursts of heat by? Answer choices: - muscle contractions - circulation - exhalation - Temperature changing - Movement of an air mass - flow of electrons - vibrations - with their fur
Ans: muscle contractions

Ques: If potassium is a chemical element essential for good health, then what is a chemical element essential for good health? Answer choices: - sweating - light energy - oxygen - bioaerosols - Chlorophyll - hydration - Potassium - fever
Ans: Potassium

Ques: If chlorine bleach removes harmful substances from water before drinking, then what removes harmful substances from water before drinking? Answer choices: - Calcium carbonate - evaporation - circulatory systems - sugar - chlorine bleach - one celled organisms - glass - cyanide
Ans:
chlorine bleach