Answer:
refraction
Explanation: hope this helps :)
Answer:
In following ways
Explanation:
firstly speed defination= the total distance travelled by a body in a unit time is called speed . its formula =total distance travelled by a body in a straight line / total time taken.
it is sector quantity.
velocity defination= the total distance travlled by a body per unit time in a straight line is called velocity. It is vector quantity . Its formula = total distance travlled by a body/ Time taken
It is true, 100 percent true in just typing for more words
Increasing the water temperature by adding hot water is called thermal heating, so the correct answer is d)