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77julia77 [94]
3 years ago
12

Why do tubeworms and hundreds of other species thrive near hydrothermal vents?

Geography
1 answer:
Alchen [17]3 years ago
3 0

Answer:

Chemicals from the vents feed bacteria which, in turn, produce sugar and other food for organisms.

Explanation:

"Hydrothermal vents" are cracks or opening in the seafloor. From here, geothermally heated water goes out. These vents allow another way for marine animals to thrive in comparison to the photosynthesis.

Bacteria found in the vent contain no chlorophyll. Instead of using energy from the sunlight, the bacteria uses "hydrogen sulfide" that comes from the vent. Although this chemical is toxic for common animals, it is essential for the bacteria in the hydrothermal vents. It allows them to process their food in order to produce sugar. This process is known as<em> "chemosynthesis." </em>

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Zinaida [17]

Answer:

Hornfels

Explanation:

Hornfels -

It refers to the category of metamorphic rocks that are heated and hardened by the igneous masses , is referred to as hornfels .

They are finely grained metamorphic rocks .

The temperature required for the formation of these rocks is about 1300 to 1450 degrees Fahrenheit .

These rocks are formed near lava flow , sill etc.

Hence , from the given information of the question ,

The correct answer is hornfels .

3 0
3 years ago
How have human systems and political systems shaped the Russian Core?
nadezda [96]

Answer:

The role of human systems and political systems in Russia is very complex, Poverty is widespread, living standards square measure low and, typical of a non-developed country, the exportation of natural resources fuels abundant of Russia's economy. Russia is borderline at the best on most developed-country metrics. the country's per capita GDP is $24,451 and these all factors shapes the Russian core.

Hope it helps!

5 0
2 years ago
A
garri49 [273]

Answer:

105°

Explanation:

Two angles are linear if their angle measures add up to 180°. (This is also known as vertical angles.)

If we know the measure of one angle, we can easily find the measure of the other, assuming x is the missing angle:

75 + x = 180\\\\x = 180-75\\\\x=105

Hope this helped!

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