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grigory [225]
3 years ago
10

Where is surface salinity the highest?

Biology
1 answer:
Natasha2012 [34]3 years ago
4 0
(A.) surface mixed zone
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The main reason that a flock of geese might fly together in V formation in order to avoid capture. True False
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what do dna evidence and the fossil record indicate are the ancestors of the living cetaceans, the mammalian group that includes
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DNA evidence and the fossil record indicate are the ancestors of the living cetaceans were land-dwelling mammals. DNA evidence allows to trace the evolutionary origin of taxonomic groups.

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2 years ago
*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

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∴ v = 14 m/s.

7 0
3 years ago
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Answer:

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The answer is as I think 2 one.

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