Which of the following is considered to be a boundary between two different air masses? a warm front
b cold front
c both warm front and cold front
d neither warm front nor cold front

the answer is C “both warm front and cold front”

Which of the following is considered to be a boundary between two different air masses?

a warm front

b cold front

c both warm front and cold front

d neither warm front nor cold front

→c both warm front and cold front

More Information :

The correct answer is Front. When two different air masses meet, the boundary zone between them is called a front. The process of formation of the fronts is known as frontogenesis. There are four types of fronts: (a) Cold (b) Warm (c) Stationary (d) Occluded.

b. heterotroph

explanation:

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.