Water bubbles up through a hot spring at Yellowstone National Park. What method of heat transfer is this? Question 6 options: conduction convection specific heat radiation.

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

Ineed the answer to question 1 , i’m desperate

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.