Answer: An oxygen atom in heavy water has an extra neutron. A hydrogen atom in heavy water has an extra proton.
Explanation:
The density of ice is less than the density of water.
Fun fact: Water is the only known liquid that has this change it density.
I think it’s water evaporation I’m not sure tho
C I think is the right answer
Answer:
B. Similar fossils were found in different continents.