Why is the earth's interior so hot? Question 6 options:

convection currents cause it to heat up

magma heats the core

solar energy heats the crust

leftover heat from formation and radioactive decay

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

Nh3 +02-no + h20 is unbalanced what is the balanced equation

If a grape were placed in a hypertonic solution what would happen and why?