Matter either loses or absorbs energy when it changes from one state to another. For example, when matter changes from a liquid to a solid, it loses energy. The opposite happens when matter changes from a solid to a liquid. For a solid to change to a liquid, matter must absorb energy from its surroundings.
<span>Porous material has many spaces that can hold(store) groundwater.</span>
You can't see beyond a blind turn, so a mirror would allow you to see around the corner.
Water treatment plants have been in existence for almost 220 years
Answer:
A
Explanation:
From a Solenoid we know that a magnetic fiel is always inversely proportional to lenght L or BL = constant

As I is constant


