In November 2018, the kilogram was redefined in terms of Planck's constant. Directly prior to this, the kilogram was based on:

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal

Which planet do you think would be easiest for humans to colonize some day?