What is the transfer of heat via circulation of a liquid or gas?
a. convection
b. conduction
c. subduction

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

When using the scientist method, which step comes last?

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?