Water cycle
sun
never
evaporation
transpiration
condensation
precipation
run-off
Answer:
because protein molecules are very large in molar masses
when an animal eats plants they could be eating the carbon.
The half-life of a radioisotope is the amon the symbol 42He, the subscript 2 is the mass number for helium and the superscript 4 is the atomic number for helium.
