Q: If warm air advancing on cold air causes cloudy and rainy weather, then warm air advancing on what causes cloudy and rainy weather? Answer choices: - streams. - streams - Movement - flooding - coastlines - rivers - rainfall - cold air
A: cold air

Q: If animals in the frog family are the first true tetrapods, then the first tetrapods were? Answer choices: - major threat to health - remains of prehistoric life - in the frog family - running and lifting - competing for resources - warm-blooded - objects that have mass - graptolites
A: in the frog family

Q: If cooking on a stove destroys bacteria, then how are bacteria destroyed on a stove? Answer choices: - Cooking - Oxygenating - Low temperatures - dangerous - Being at room temperature - kill - Echinoids - Enzymes
A: Cooking

Q: If mollusks contain calcium carbonate, then what do mollusks contain? Answer choices: - harmful substances - Organic compounds - bacon - cayenne - acetic acid - dogs - Chlorophyll - Calcium carbonate
A: Calcium carbonate