All of the following natural resources are considered renewable energy sources except
a. water
b. sun
c. wind
d. coal

Option (d) is the correct answer.

Explanation:

Resources that can be used again and again are known as renewable resources.

For example, Sun, wind, water, solar energy etc are renewable resources.

Whereas resources that cannot be used again once they are exhausted are known as non-renewable resources.

For example, when we burn coal in fire then we cannot use it again.

Hence, we can conclude that all of the following natural resources are considered renewable energy sources except coal.

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation:

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge