B is the answer! Because no one would be pushing the rock all the way down the hill it would just go down by itself by rolling!!
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C isotopes is the correct answer. Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number.All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom.
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Answer:
Yes, they are warm blooded.
because their body temperature is close to that of human about 36.4º to 38ºC (97.5º to 100.4ºF)
Explanation:
