How did neils bohr describe electrons in his atomic model?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

How have the greenhouse gasses increased from the year 2000 to 2018

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?