well according to what i know....headlights only let you see about 350 feet ahead...hope it helps :)
The second one.
Remember, temperature is the AVERAGE kinetic energy. So, looking for highest average kinetic energy means looking for highest temperature, which is 55.
Note: the amount of the substance does not determine the average kinetic energy.
Answer:
A) hydrogen bonds cause a high surface tension = FALSE
Explanation:
The rest are correct
Gravitational <span>force between them</span>
Get a magnet in a bag (inside out) and move the magnet all over the sand/iron and you can collect all the iron and turn the bag right side out and zip up the bag. Now you have the sand and iron separated and it will be harder to accidentally mix them later.