This paragraph represents desert.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>
Answer:
Water is a molecule because it is made up of two different elements
Explanation:
I just took the test
Gradual changes in the frequency of diseases over long periods are known as SECULAR TIME TRENDS. For example, the rate of mortality in USA due to coronary heart diseases over a period of time. Onset of puberty in girls is also a secular time trend.
Secular time trend is also referred as Secular Variation and Secular Drift.
Answer:
I would recommend reading the descriptions and then reading the passage/story if you have not done that yet.