Pretty sure it's outer core, lower mantle because the inner core is solid iron
Answer:
x = 3.5
Explanation:
The chords are the same length, so are the same distance from center:
3x +1 = x +8
2x = 7 . . . . . . subtract x+1
x = 3.5 . . . . . divide by 2
They are both circles or sphere
Answer:
Biomes play a critical role in the understanding of ecology because they help scientists study not only a specific plant or animal but also the role it plays in its community and the characteristics that it has developed to live in its environment.
Aquatic biomes are probably the most important of all the biomes. Their medium, water, is a major natural resource. Water is the basis of life, it supports life, and countless species live in it for all or part of their lives. Freshwater biomes supply us with our drinking water and water for crop irrigation.
Explanation:
