Answer:
Elements and compounds cannot be broken down into simpler substances by an ordinary process because of the following reasons.
1) Elements cannot be broken down by chemical or physical methods because elements is composed of atoms which are indivisible.
2) Compound cannot be broken down into simpler substances by ordinary process because elements present in the compound are combined with each other chemically.
Answer:
In layman's terms, epidemiologists work to answer the “who, what, where, when, and whys” of the field. Epidemiologists study the distribution and determinants of health-related outbreaks. ... Most epidemiologists today hold a Master's in Public Health (MPH), though some have a doctoral degree in epidemiology as well.
Explanation:
PRESS THE CROWN
First question is D poor farming practices
A reaction to something that has happened and affected the body as it was trying to prevent the action