If burning coal increases the carbon in the atmosphere, then what does burning coal increase carbon in? Answer choices: - the atmosphere - Greenhouse gasses - climate - Greenhouse gases - sunlight - circulatory systems - space - carbon dioxide
the atmosphere
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If vertebrate chordates have a spinal column, then vertebrate chordates have what part of the skeletal system? Answer choices: - spinal column - hard bones - aerobic capacity - cartilage bones - critical organs - joints - fur and fat - graptolites
spinal column
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If what breastfeeding provides lasts only as long as the antibodies survive in body fluids, then what lasts only as long as the antibodies survive in body fluids? Answer choices: - recovery time from fatigue - Food poisoning - during the day - Leptospirosis - retaining heat - breastfeeding provides - an area swollen with pus - Something that causes allergies
breastfeeding provides
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If dogs use hearing to sense sound, then how do dogs sense sound? Answer choices: - Heart rate - observe it - sight - hormones - waves - touch - hearing - smell
hearing
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