PLEASE HELP!!
Susan records the heights of the plants she is using in her experiment. Is this qualitative or quantitative data?

A. Qualitative data

B. Quantitative data

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

C3h8o3 - glycerol major species present when dissolved in water

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?