The smallest parts of these that retain their original properties are called

element , atom

Explanation:

An atom is the smallest part of all the elements found on this planet. An atom is the basic unit just like a cell is the basic unit of life. As a cell has all the original properties of life , an atom also has all the original properties of element.

For example - A single atom of iron will show magnetic properties just like an an iron rod.

Like wise all all chemical properties of an atom are exactly similar to its element.

correct answer: false

while planning water activities, it is very important to consider the weather, because if we do not plan and are going for a surf, then it might be that the hurricane came and drown us or may carry us to long distance from where we can not come back. there are many reasons to take information about the weather when we are planning any water activities.

hence, the correct answer would be false.