Tropical cyclones in the Atlantic Basin are most numerous during late summer and early autumn because that is the time of year when the two most important ingredients needed for their formation — warm ocean waters (80 degrees or higher) and weak vertical wind shear (little change in wind direction and/or speed with ..
Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
The order of these periods is the Cretaceous period, Jurassic period, Triassic period, Devonian period, and Cambrian period.
The phrase "Cuddly Old Sheep Dogs Make Perfect Pets; They Just Crowd People Nearby Quietly" is one technique used to organize geological periods. In this phrase, the first letter of each word represents a period.
For example:
- Old starts with "o" and represents the Ordovician period
- Quietly starts with "q" and represents the Quaternary period
- Make starts with "m" and represents the Mississippian period
In this context, the order of the given periods from the most recent to the oldest one is:
- The Cretaceous period "crowd"
- The Jurassic period "just"
- The Triassic period "they"
- The Devonian period "dogs"
- The Cambrian period "cuddly"
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Answer:
They are areas where there is a severe shortage of moisture, predominantly because precipitation levels are low. In some years they may even receive no rain at all.
Explanation:
In some deserts, aridity is in part also the result of high temperatures, which means that evaporation rates are great (Mainguet, 1999).