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Ira Lisetskai [31]
3 years ago
13

Magnetic fields are

Biology
1 answer:
REY [17]3 years ago
4 0

Answer:

strongest at the poles.

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Distinguish between the characteristics of an unweathered rock and those of a highly weathered rock.
Pavel [41]

Answer:

Withering is a process in which a rock gets broken down into small and large fragments which are displace other location by the action of wind, water and ice.  There are three types of withering: mechanical ,chemical and biological. Mechanical withering is a process which brings changes into physical structure of rocks like large rocks are converted into small rock. Chemical withering is a process which brings changes in the chemical composition of rock. This withering process can change minerals content in the rock. Biological withering is a process in which living beings uses rock for their survival like plants, animals and microbes causes disintegration of rock.

Highly withered and unwithered rock can be distinguished by following characteristics:

1. Physical structure: There will be no change in the structure of unwithered rock but structure of highly withered rock will change after the withering process.

2. Chemical composition: The withering process will remove surface and internal minerals present in rock. In unwithered rock the surface and internal mineral composition will remain unchanged but in highly withered rock the surface and internal minerals present in rock will be removed, which change the overall chemical composition of the rock.

4 0
3 years ago
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Leaves have the capability to "breathe” through tiny pores in the
atroni [7]
It is called the stomata
3 0
3 years ago
Your hypothesis should be based on_____________?
Neporo4naja [7]

Answer:

Your hypothesis should be based on an educated guess using prior knowledge and observation.

8 0
4 years ago
Which elements are essential for living organisms to survive
Leni [432]
Well i know you need carbon nitrogen and oxygen but there might be more
6 0
4 years ago
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*EXTRA PTS* How much weight is needed for a 10 m high ball to achieve 400 J of potential energy?
mafiozo [28]

Answer:

,Mass of the Body = 10 kg.

Height = 10 m.

Acceleration due to gravity = 9.8 m/s².

Using the Formula,Potential Energy = mgh

= 10 × 9.8 × 10 = 980 J.

(b). Now, By the law of the conservation of the Energy, Total amount of the energy of the system remains constant.

∴ Kinetic Energy before the body reaches the ground is equal to the Potential Energy at the height of 10 m.

∴ Kinetic Energy = 980 J.

(c). Kinetic Energy = 980 J.

Mass of the ball = 10 kg.

∵ K.E. = 1/2 × mv²

∴ 980 = 1/2 × 10 × v²

∴ v² = 980/5

⇒ v² = 196

∴ v = 14 m/s.

7 0
3 years ago
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