Matter that has a definite volume but no definite shape is a liquid.
Answer:
They would be to heavy and you would be really stiff
Explanation:
Isotopes are elements with same atomic number but different mass number. Hydrogen and Deuterium are isotopes with same atomic number but different mass number. Hydrogen have atomic number 1 and mass number 1 where as deuterium have atomic number 1 but mass number 2