Answer:<u> Option D
</u>
Solar panels contain a very expensive element, i.e. silicon. This element is able to convert the solar energy into electric energy. The cost of the solar panel gets expensive because of this rare element. It is found in limited areas of the world. That’s why option D is correct. Coal is not used in solar panel, so option B is incorrect. Neither is wind energy, so option A is also incorrect. Water is also not used for exploiting solar energy, which makes option C a wrong answer.
The answer is A. a light wave
C and D both need water as a medium and sound needs air to vibrate in order to travel. light, on the other hand, does not need a medium
Answer:
Urban heat
Explanation:
Urban heat is a terminology generally used to describe the higher temperature with in the cities as compared to the surrounding woods.
Jessica moved to industrial area which has large industries that continuously release heat and pollution in the environment. Due to this the environment in and around the industrial area is much warmer as compared to the outskirts of the cities (with mountains).
Also the cities have offices & residential apartments, traffic and automobiles that continuously release heat and pollution thereby further enhancing the temperature of cities.
I think it’s 24 not sure but maby
