Different isotopes of the same element must have a different mass number
Answer:
solute is that we disolve in solvent
solvent is in which we dissolve solute
Answer:A large number of autotrophic bacteria—bacteria that produce their own food—live near hydrothermal vents and submarine volcanoes.
These bacteria are considered chemosynthetic, meaning they produce food from chemical reactions usually involving carbon dioxide, oxygen, or hydrogen