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Musya8 [376]
3 years ago
15

Dated to approximately 500,000-400,000 years ago, the site of _______ has yielded a sample of 4,000 fossil fragments representin

g about 28 premodern Homo sapiens individuals, more than 80% of all Middle Pleistocene hominin remains in the world.
a. ​Steinheim
b. ​Ehringsdorf
c. ​Sima de los Huesos
d. Petralona​
e. ​Swanscombe
Biology
1 answer:
Luden [163]3 years ago
7 0

Answer:

c. ​Sima de los Huesos

Explanation:

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A muscle cramp is a sudden, painful contraction of a muscle, during which movement is difficult. What is happening at the cellul
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The correct answer would be B

Explanation:

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The illustration shows one of the ways resources are removed from the deep sea. Describe what type of resources these are, inclu
just olya [345]

Answer:

Marine mining is a process that can be done by dredging the seabed and is used for the extraction of mineral resources from the seabed, which are non-renewable, with a negative impact on marine ecosystems.

Explanation:

The illustration shows a process of marine mining by dredging, where the resource extracted is of a mineral nature, like copper, zinc, silver and gold. Gravel used for construction can also be extracted from the sea. Mineral resources extracted from the sea are not renewable.

The process of marine mining can be harmful to the ecosystems there, so it must be a process that requires control and management from the ecological point of view.

Two possible consequences of not regulating marine mining are:

  1. <u><em>Destruction of the habitat of life forms present on the sea floor</em></u><em>, which endangers many species and even forces migration to more stable areas, with consequences on the food chains. </em>
  2. <em><u>Extinction of marine species that inhabit the seabed</u></em><em>. The flora and fauna of the sea floor usually have slow reproductive cycles and, in the case of fish, spawning takes place on the bottom of the sea. Mining endangers the reproductive cycles of the species, leading to induced extinction.</em>

Responsible and controlled mining activity can be useful for humans, while avoiding negative consequences on the ecosystems that exist at the seabed.

7 0
3 years ago
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When colors are absorbed, the light changes into.<br> ..
Anna71 [15]

Answer: a change in energy state occurs. The answer is dark or opaque - not able to be seen through.

Explanation:

The absorption of light makes an object dark or opaque to the wavelengths or colors of the incoming wave: Wood is opaque to visible light. Some materials are opaque to some wavelengths of light, but transparent to others. Glass and water are opaque to ultraviolet light, but transparent to visible light.

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In what way do two alleles for the same trait differ?
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I think it’s C explanation : i learned this a while ago
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When butane burns in oxygen, it produces carbon dioxide and water. This reaction is represented in this equation:
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Yes your equation is correct as formula for butane is c4h10 and equation is balanced

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3 years ago
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