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mr_godi [17]
1 year ago
13

Explain how a streamlined, smooth, nearly hairless body is a beneficial adaptation for marine animals.

Biology
2 answers:
TiliK225 [7]1 year ago
8 0
It allows them to glide smoothly through the water with less resistance, which saves their energy & makes them fast swimmers. 

lana66690 [7]1 year ago
7 0

Most of the marine animals have a stream lined body, which means, they have a sharp and pointed at the front. The pointed front of the organism allow to cut the resistance of the water. In case, the body is not pointed at the front and it is blunt, the water current and flow would resist the movement of the organism further. So, for the locomotion purpose, it is important to have a streamlined body. Further smooth and hair less body also decrease the resistance during the movement in the water.

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Difference between pendulum clock and quartz watch.. plz give photo​
icang [17]

Answer:

A pendulum clock is a mechanical device. It relies on a pendulum swinging at a steady pace, with energy to the pendulum provided by a spring. ... A quartz clock relies on the exactly repeating vibration of a thin sliver of quartz. This vibration creates an electrical current that controls the electronic display.

Explanation:

heres some photos

8 0
1 year ago
Explain one specific reason why a cell wants to have tight control over its Cl- channel.
Mars2501 [29]
<span>Among other parts, Cl-channels or Chloride channels hold a great importance in maintaining the proper volume of the cell. It is significant also especially cell proliferation and salt secretion.</span>
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2 years ago
Which are potential sources of error in the experiment? Check all that apply. estimating temperature to the nearest tenth of a d
Dafna11 [192]

The correct option are as follows:

estimating temperature to the nearest tenth of a degree

estimating the mass of the sample to the nearest tenth of a gram

the position of the cups of sand and water under the heat lamp

<u>Explanation:</u>

Error is an uncertainty or the amount of deviation in a physical quantity. There may arise some deviance while measuring physical quantity due to approximation.

Instrumental, environmental, procedural, and human are some of the common sources of error. The error can be classified into two types:

i) Random error

ii) Systematic error

Types of error are determined based on the deviation in the result. While observing the temperature of something, the temperature should be noted to the nearest tenth of a degree. In similar way, the mass of the sample should be estimated to the nearest tenth of a gram.

7 0
2 years ago
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