How do the reactants of photosynthesis get into the leaf cells?

quick!

They enter through the cells of the leaf and come from the roots

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

The answer is lymph sinuses.