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Earth Science. Christian.
The earth is surrounded by a blanket (mass) of air.
7 He causeth the vapours to ascend from the ends of the earth; Psalm 135:7
Heat and cold causes the blanket (mass) of [ruach..Hebrew 7307] air [which is vapour..See: 822 atmis & 109 aer] which surrounds the earth to continually rise and fall and move about in circuits. Job 6:15-17 & Job 6:15-17 in reverse.
15 My brethren have dealt deceitfully as a brook, and as the stream of brooks they pass away;
16 Which are blackish by reason of the ice, and wherein the snow is hid:
17 What time they wax warm, they vanish: when it is hot, they are consumed out of their place. Job 6:15-17
6 The wind (air) goeth toward the south, and turneth about unto the north; it whirleth about continually, and the wind (air) returneth again according to his circuits. Ecclesiastes 1:6
Masses of air are heated and cooled as they pass over land and sea that has been heated by the light of the sun, or, cooled by coverings of ice and cold and darkness and shade.
24 By what way is the [Hebrew: or = sun, etc.] light parted, which scattereth the east wind upon the earth? Job 38:24
The blanket (mass) of air which surrounds the earth is not evenly heated because the earth is circular (round Isaiah 40:22), and rotating in the presence of the sun. Psalm 19:4-6
As warm masses of vapour (air) rise, cool or colder masses of air move down and across and into the empty spaces left behind by the warm rising masses of air.
What is an air mass?
An air mass is a huge area of warm, dry, cold, or moist air.
Greek..822 α?τμι?ς atmis at-mece' From α?η?ρ ae¯r ah-ayr' 109; mist: - breath, vapour, smoke.
Greek..109 α?η?ρ ae¯r ah-ayr' From α??ημι ae¯mi (to respire (breathe unconsciously); to blow; naturally surrounding (circumambient) air: - air, an inanimate breeze, atmosphere. Compare 5594 ψυ χω psucho¯ psoo' -kho.
23 And as they cried out, and cast off their clothes, and threw dust into the [Greek: 109 aer..breeze, air, atmopshere.] air, Acts 22:23
Circum: round, about.