It is actually Group 3A elements. I just took the test.
Answer:
Friston to energy
Explanation:
Friction to Energy as its a energy stooping the object form moving
The nuclear reactions which are under experimenter's control are said to be controlled nuclear reactions. In this, you can maintain the speed of the incident particle. α and β-decay process are examples of non-controlled nuclear reactions.
B the girls arm will act as a pulley
Isnt the basic particle that all elements are made of electrons because i know that you can get isotopes which is a whole different subject