Abreathing mask is used for keeping harmful particles from entering the respiratory system, and when mold grows in the house, it can emit particles that travel through the air. Given these facts, what can keep mold from entering the respiratory system among the following options: - vaccinations - layers of fat - deep breaths - sweating - a breathing mask - moisture - organic molecules - hydrogen and oxygen
a breathing mask

(Question)
Temperature changing can cause phase changes, and temperature also changes with the seasons. Given these facts, what can cause phase changes among the following options: - Electrical - an object - seasons - imbalanced - hormones - sweating - Winter - climate
(Answer)
seasons

Ques: If gas is heated then that gas will expand, and nitrogen gas is the most abundant gas in the atmosphere. Given these facts, what will expand when heated among the following options: - gravity - density - a prism - nitrogen - mass - water vapor - arteries - glass
Ans: nitrogen

(Q).
Annelids have the amazing capacity to regrow segments that break off, and annelids include earthworms and leeches. Given these facts, what do earthworms do when a segment breaks off among the following options: - Dies - Regrows it - Reproduces - Sediment - root growth - migrate - Stops growing - roots
(A).
Regrows it

Ques:An animal requires warmth for survival, and wollies are made of fur and worn for warmth. Given these facts, what physical feature of an animal can help it survive among the following options: - heat - coat - fur - fire - body - nourishment - size - housing

Ans:fur

Ques:Apesticide is used for protecting plants by killing insects, and pesticides also kill beneficial insects that pollinate flowers and prey upon harmful insects. Given these facts, what is used for protecting plants while killing beneficial pollinators among the following options: - watering cans - dangerous - toxins - pesticide - irrigation - exoskeleton - steroids - plant food

Ans:
pesticide