Help me in this question please (No links!!.)

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

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?

Can you me with this i really appreciate it