Answer:
irregular
Explanation:
Irregular galaxies have no regular or symmetrical structure. They are divided into two groups, Irr I and IrrII. Irr I type galaxies have HII regions, which are regions of elemental hydrogen gas, and many Population I stars, which are young hot stars.
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Below are the choices. the answer is C.
A) mass extinctions, leading to bottleneck effect
B) major evolutionary innovations, leading to rafting to nearby continents
C) a variety of empty ecological niches, leading to adaptive radiation
<span>D) adaptive radiation, leading to founder effect</span>
Answer:
Data are pieces of information which can be used in various domains.
Deforestation, that would be clearing the land leading to desertification
Mountain effect refers to the windward side of the mountain receiving precipitation. It is also the effect of rough terrain on radio-wave propagation. Thus, it caused reflections that produce errors in radio direction-finder indications.
