Tadpoles have gills allowing them to breathe underwater while frogs have lungs. Tadpoles have tails and fins to help them swim while frogs have arms and legs.
B. mammary glands and hair or fur. things also to classify: feed milk to young, give birth live, and breathe in air, so they have lungs.
Hazardous Chemical” Simple Definition -- elements, chemical compounds, or. mixtures of elements and/or compounds which poses potential risk to safety or health. Regulatory Definition - means any chemical which. presents a physical hazard or a health hazard.
Laboratory is a place to information about the hazards that are associated with a compound.
If a hypothesis is supported it becomes a theory if its not he or she has to make another hypothesis
The correct answer is D.
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