Answer;
It is because nano particles have a large surface area compared to the powder.
Explanation;
-The rate of a chemical reaction can be raised by increasing the surface area of a solid reactant. This is done by cutting the substance into small pieces, or by grinding it into a powder.
-If the surface area of a reactant is increased, it means more particles are exposed to the other reactant.
Ionic crystals are hard because of tight packing lattices, say, the positive and negative ions are strongly attached among themselves.
The statements that describe how the pond turned into the bog is as follows: Large water plants grew in shallow water around the edge of the pond.
<h3>What is a pond?</h3>
Pond is an inland body of standing water, either natural or man-made, that is smaller than a lake.
A bog is an area of decayed vegetation (particularly sphagnum moss) which forms a wet spongy ground too soft for walking.
This means that a pond can become a bog when existing plants in the pond decays until the land becomes soft.
Therefore, the statements that describe how the pond turned into the bog is as follows: Large water plants grew in shallow water around the edge of the pond.
Learn more about ponds and bogs at: brainly.com/question/9715563
#SPJ1
