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Vinvika [58]
3 years ago
12

About 300 million years ago, the seas and oceans were inhabited by tiny plants and other organisms. These organisms died and wer

e buried on the ocean floor. Over time, their bodies were covered with silt and mud that was rich in organic material, forming layers of organic matter. This matter was subjected to high temperature and pressure. In such conditions, oxygen was available in abundance. Over a period of many years, the matter decomposed and formed oil and gas. which sentence is incorrect
Biology
2 answers:
dmitriy555 [2]3 years ago
4 0
<span>In such conditions, oxygen was available in abundance.</span>
ehidna [41]3 years ago
3 0

Answer:

The formation of petroleum takes place because of various chemical reactions, which take place to the substances that were once living. In the majority of the cases, the formation of liquid petroleum takes place from the algae and zooplankton, which get settled to the bottom of the lake or sea, and was then got buried underneath the sediments.  

The sediment makes sure that no oxygen could reach the dead and decaying organic matter, and thus, the stage gets set for the production of oil. In the majority of the cases, the organic matter goes via many modifications, which take millions of years. The sediments continue to pile over each other and enhance the pressure on the organic matter, this leads to the formation of natural gas and liquid petroleum.  

Thus, the sentence, that is, "In such conditions, oxygen was available in abundance" is the incorrect one.  

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Scientists observed that the populations of top-level consumers in a particular ecosystem were rapidly decreasing. Further studi
yanalaym [24]

Answer:

The correct answer is - decreased population size at all levels.

Explanation:

A decrease in the productivity of producers of an ecosystem will lead to a decrease in all other organisms of the ecosystem including top-level consumers to the bottom-level producers due to the fact that producers provide energy and food to primary consumers.

It is because they are the only organisms that convert the sunlight to usable energy and food that transfer from one trophic level to other, so if the population of producers or their productivity will decrease then there will be decreased population size at all levels.

5 0
2 years ago
Riparian zones can reduce the impact of water pollution. Please select the best answer from the choices provided T F.
GalinKa [24]

Riparian zones can reduce the impact of water pollution is true.

The statement is true.

<h3 /><h3>What are Riparian zones?</h3>

The areas along the banks of rivers and other sources of surface water are known as riparian zones.

The floodplain and riparian buffers bordering the floodplain are included.

Riparian zones benefit streams, groundwater, and downstream land areas in numerous ways, both environmentally and recreationally.

Thus, the given statement is true.

Learn more about Riparian zones, here:

brainly.com/question/2554838

5 0
2 years ago
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What makes up the central nervous system?
STALIN [3.7K]
The Central Nervous system is made out of spinal cords that connect to the brain.
3 0
3 years ago
Can you think of a situation where a high temperature would not result in an increase in photosynthesis?
joja [24]

Nothing can photosynthesize in the night time even if the temperature goes up. But even then temperature has nothing to do with Photosynthesis.

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities.

3 0
3 years ago
Fossils are only found in
insens350 [35]

Answer:

sedimentary rock

Explanation:

fossils are most commonly found in sedimentary rock. Unlike most igneous and metamorphic rocks, sedimentary rocks form at temperatures and pressures that do not destroy fossil remnants. Often these fossils may only be visible under magnification.

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3 years ago
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