Engineering Design:Question 2 Which is a criterion in engineering design?
Select one:
A principle to follow as something is built, to ensure it works as intended.
Determining the cost and schedule when building something.
O O O
A limit to what can be done or what can be used when building something.
Understanding the scientific principles behind something that is being built.

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?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

May someone me with these science questions