Correct answer only ! what do we call the principal si units that are used to derive all other si units? a. si units b. derived units c. lowest units d. base units

Will you chech and finish these for me, because i am stumped with them.

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above

Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron