Answer:
I think its the last one
Explanation:
The particles always move perpendicular to the direction of the wave.
Over time, the types of technology can vary and be improved upon so that more advanced techniques become more valued. This could be the situation with mining whereby back in the 1500's in underground mines the rock was broken by fire setting ie lighting a fire below the rock face to heat up the rock and then throwing cold water on it to crack it, so that it could be dug by hand. With the advent of explosives, this all changed so that the rock could be blasted. The increase in advance rates for an underground heading have thus gone from 5-20 feet per month to up to 300meters (984 ft) per month for a 24/7 mining operation, which is a huge improvement.
Answer:
The phenomenon of splitting of white light into its seven constituent colours when it passes through a glass prism is called dispersion of white light. The various colours seen are Violet, Indigo, Blue, Green, Yellow, Orange and Red.
Explanation:
Answer:
Photosynthesis: the process where plants convert light energy into sugar, for food
Food chain: a series of organisms showing which organisms eat each other
Explanation:
As far as I know, the energy just winds up as heat dispersing into the atmosphere or heating up the falling object.
