The wave structure of the polar front and associated upper-tropospheric jet stream is caused by a. surface temperature contrasts between oceans and continents.
b. large-scale mountain ranges.
c. transient weather disturbances (mid-latitude low pressure systems).
d. (all of the above)

There are allot let me mention a few. 1. catholicism 2. orthodox3. lutherans 4. protestants. they are different because, catholicism has a pope but not the orthodox even though they are almost the sames

Aeolian processes,  pertain to  wind  activity in the study of  geology  and  weather  and specifically to the wind's ability to shape the surface of the  earth  (or other  planets). winds may  erode, transport, and deposit materials and are effective agents in regions with sparse  vegetation, a lack of soil moisture and a large supply of unconsolidated  sediments. although water is a much more powerful eroding force than wind, aeolian processes are important in arid environments such as  deserts

Answer cratons

The law of conservation