Answer:
Theory: <u>A theory is a carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method, and which brings together many facts and hypotheses.</u>
Degradation means the wearing down of or slow lowering to a weaker position.
Answer:
This is so simple. Read your lesson. If you cheat like this you'll never get through the rest of the course.
Explanation:
I am sure that it is Typhoons which is a tropical storm in the region of the Indian or western Pacific oceans.
Very powerful microscopes were needed before cells could be observed in detail
