The scientist think that the thinning of the ozone layer might be related to CFC because of the inverse relationship between the two which have been discovered.
It has been discovered that as the amount of CFC increases, the level of ozone usually decreases.<span />
An observation may generate a scientific question, which may lead to a hypothesis. The hypothesis can be tested the experimentation. The results of experimentation lead to changes in scientific knowledge.
Answer:
All natural soils are heterogeneous mixtures because no two nature soil samples will have the precise proportions of its inherent components.
Explanation:
The answer is B) a moray eel eats a fish swimming by
