Which of these is an example of convection?

question 19 options:

a. an egg boiling in water

b. an egg frying in a pan

c. an egg exposed to a flame

d. an egg warming under a light

How would a small bar magnet be oriented when placed at position x?

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.