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Doss [256]
3 years ago
11

Ethnic skin types contain ______ than caucasian skin types.

Biology
1 answer:
Setler [38]3 years ago
6 0
People who have darker skin have more melanin which is a black or dark brown pigment in the skin. When we are out in the sun our skin produces more melanin, which helps our skin be more resistant in the sun. This is why we tan.
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the zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is an expression
frutty [35]

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is an expression of the the life zone concept.

<h3>What is life zone concept?</h3>
  • C. Hart Merriam created the term "life zone" in 1889 to refer to regions with comparable plant and animal groups. Depending on height, location, and latitude, the climate and ecology of many places on the planet naturally divide into life zones.
  • Altitudinal zonation is the term for the generally substantial dependence on elevation: the average temperature of an area falls as the height increases.
  • The US has thirty-eight life zones, including one boreal, twelve cool temperate, twenty warm temperate, four subtropical, and one tropical (34% of the world's life zones and 85% of the temperate ones).

Learn more about the life zone with the help of the given link:

brainly.com/question/895846

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6 0
2 years ago
Please helpme on time limit and explain
weqwewe [10]

Answer:

Net force is 100 N

Explanation:

You will use the formula to find the net force/force.

mass = 0.05 kg

acceleration = 2000 m/s^2

F = m × a

F = 0.05 kg × 2000 m/s^2

F = 100 N (Newtons)

Hope this helps, thank you !!

4 0
3 years ago
What are the two subdivisions of the Precambrian Era called?
Irina-Kira [14]
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Xelga [282]

Explanation:

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Which process takes place in the inner membrane of mitochondria
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