Answer:
Potential energy is the energy caused due to the object's position.
B because it does happens when you make a dam waters is upstream and when the dam breaks it flows down stream
<u>Answer:</u> It repels positive ion and attracts negative ion.
<u>Explanation:</u>
There are 2 types of ions:
1. Cations: These ions are positively charged ions which are formed when a substance looses electrons.
2. Anions: These ions are negatively charged ions which are formed when a substance gains electrons.
It is known that, like charges repel each other and unlike charges attract each other.
As, it is given that the substance is positively charged, so it will attract anion and repel cation.
Answer:
The Minerals are the <u>chemical substances</u> found on the <u>earth's surface </u>which are <em>elements</em> or <em>compounds</em>.