Nanotechnology . A). allows microscopic particles to inject medicine directly into cancer cells
B). focuses on the use of robots to perform surgical procedures
C). will eliminate the need for doctors
D). allows doctors to take high quality digital pictures inside the body

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?