The acceleration is used to determine the change of an object.
Rubber band, elastic, spring
The ration of output work to input work expressed as a percentage is called <u>Efficiency</u>.
Answer: Alfred Wegener provided some of the important points that supported the theory of continental drift. They are as follows-
- The continents were once all attached together, and this can be proved by studying the coastlines of some of the continents that perfectly matches with one another.
- The appearance of similar rock types and similar fossils (including both animals and plants) has also contributed much information that continents were once all together.
