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Tamiku [17]
3 years ago
5

During the winter, air temperatures in the northern united states can remain below 0 c months; however, the fish and other anima

ls living in the lake surive. the property of water that makes this possible is
Biology
2 answers:
Nuetrik [128]3 years ago
7 0

Hello there

the answer is

During the winter air temperatures in the northern United States can remain below 0°C for months however fish and other animals living in the lake survive why?

Waters greatest density occurs at 4°C so when the temperatures drop below 0°C and ice forms of the lake and asked as an insulator preventing the water below from freezing keeping fish and other animals alive during the winter

Ivenika [448]3 years ago
3 0

Answer:

When the water gets cool, the formation of hydrogen bonds holds the molecules of water in its position in the form of solid. This form of water is called ice. The freshwater gets denser with cooling until it attains s temperature of 4 degrees Celsius. Ice gets less condensed as it cools, that is, when the temperature falls even more.  

This takes place as the expansion of water takes place due to freezing. As the mass stays similar, however, the volume of the solid is more, ice is considered less dense in comparison to liquid water, thus, it floats. Due to this characteristic, the water bodies like bays and lakes get freezes at the surface.  

This characteristic permits the fish living in ponds and lakes to thrive during the winters. The ice, which freezes on the surface shields the water underneath it, thus, helping it to remain warmer.  

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Answer:

Option B) study information related to the Cenozoic era

Explanation:

The complete question is

Scientists discovered that the Eocene time period existed in Earths history around 34 MYA. What do they need to do to determine what time period Eocene belongs to on the geologic time scale?

A) learn what happened during Precambrian time

B) study information related to the Cenozoic era

C) view the timing of events in the Mesozoic era

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Solution -

The period of Eocene belong to the Cenozoic era. The Cenozoic era is divided into three periods-  

a) The Paleogene – Existed between 65.5 to 23.03 million years ago

b) The Neogene - Existed between 23.03 to 2.6 million years ago

c) The Quaternary – Started some 2.6 million years ago and is continuing till present

The Paleogene is subdivided into three epochs –  

A) The Paleocene – existed between 65.5 to 55.8 million years ago

B) The Eocene – existed between 55.8 to 33.9 million years ago and  

C) The Oligocene – existed between 33.9 to 23.03 million years ago

Hence, studying about Cenozoic era will give information about the Eocene epoch

Hence, option B is correct

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