The process that fuels a star is BEST described as A)
helium molecules being burned by fire.
B)
fusion of helium molecules to form hydrogen.
C)fission of helium molecules to form hydrogen.
D)
hydrogen molecules being forced together by gravity.

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

Need on both questionswill markbr />

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?