Worth 10 ! study the images of two different fronts. based on arrow movement, why is the front shown in item a different from the front shown in item b? a) warm air rises above cold air in item a, while two air masses collide in item b. b) cold air mixes with warm air in item a, while two air masses barely move in item b. c) warm air is pushed upward near cold air in item a, while a boundary forms in item b. d) two air masses form a boundary in item a, while warm air rises above cold air in item b.

D because the warm air is greater than the cool air pressure

Answer on edg is: D) Two air masses form a boundary in item A, while warm air rises above cold air in item B.

Explanation:

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).