C. iron, because it is the most dense of the listed materials
light can travel through a vacuum whereas sound cant
No, sounds cannot travel through a vacuum. This is because sound requires a medium to travel through because it requires the vibration of particles to travel and there need to be particles to vibrate for it to travel through.
Sound wave do not travel through vaccum as it need medium to travel.
no if an object is OPAQUE then light can't travel through it (unless it has a hole in it)
Sound waves travel through matter, whether solid, liquid, or gas. They do not travel through vacuum.
it travels through rock quickest even if they are both solids eking
Air travel is usually the quickest.
plane...
To fly, I believe.
If you want to find out the quickest way to travel to New York, you can go to hot jobs. They have a sight to where you can find out the right the time and how fast does it take you to travel from your destination to the other.
Most of the electric current will pass through the path through the body which offers the least resistance, NOT the 'quickest' path, as speed doesn't come into it.
The simplest and quickest way is to fly. You could also travel to France by sea or through the Channel Tunnel and then travel overland to Portugal. You could also go by boat.
going by experience it would be 'the metro' .
going by experience it would be 'the metro' .
going by experience it would be 'the metro' .
going by experience it would be 'the metro' .
solid. think of it this way you get a large line of people close together to represent solid and you send a shove through them it will reach the end fastest.