An engineering company needs to solve a design problem.
It is designing a high-speed train to transport
passengers
between Boston and Atlanta.
Which statement is a criterion for this project?
O A. The train must not take more than six years
to build
B. The train must not have wheels with bearings
that need
lubrication,
O C. The train must cost less than $150 million
to design.
D. The train must be able to maintain a speed of
250 km/h.

for points guys

put the answers   and i could answer.

i have no clue hope you find the answer

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.