Sources of pollution can be natural, but they are often human-related.
Sources of pollution include dirt, bacteria, and fertilizers.
sound wave cannot travel without a medium.
Religion and science are fundamentally incompatible. They disagree profoundly on how we obtain knowledge of the world. Science is based observation and reasoning from observation. Religion assumes that human beings can access a deeper level of information that is not available by either observation or reason.
Answer:
D
Explanation:
This is because, of chemical reaction
A. 1
B. 4
C. 5
D. 3
E. 2
The correct answer is E. 2
