(Question)
If an animal's coat that is thick and white is warmest, then thick and white animal coats are what? Answer choices: - animal - stiff - cold - not protective - unique - dense - linked - warm
(Answer)
warm

(Question)
If organs of excretion remove waste from the blood, then what removes waste from the blood? Answer choices: - Veins and arteries. - alleles - Leptospirosis - the spinal cord - Special disposal - an area swollen with pus - oxygen - organs of excretion
(Answer)
organs of excretion

(Question)
If burning fuels that are not sustainable increases carbon in the atmosphere, then what sort of fuel burning puts carbon into the atmosphere? Answer choices: - Greenhouse gases - Organic compounds - vehicles - Pollution - non-sustainable - chlorofluorocarbons - Conifers - an engine
(Answer)
non-sustainable