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Andrej [43]
3 years ago
8

Helpppppp !!!!!!!!!!​

Biology
1 answer:
NISA [10]3 years ago
6 0

Answer: the first answer is correct.

Explanation:

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A bird is flying in the air at a 4 m/s. If the mass of the bird is 7kg what is it’s kinetic energy
yaroslaw [1]

Answer: The kinetic energy of the flying bird is 56 Joules.

Explanation:

Mass of the bird  = 7 kg

Velocity of the flying bird = 4 m/s

Kinetic energy of the bird will be given by :

K.E.=\frac{1}{2}mv^2

K.E.=\frac{1}{2}\times 7 kg\times (4 m/s)^2=56 Joules

The kinetic energy of the flying bird is 56 Joules.

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The two biggest reasons for children spending less time outside are the development of technology and the safety issues. The development of technology brought in our homes countless forms of having fun which is very important to children. The mobile phones, PC's, laptop's, tablets, Sony Play Station, as well as lots of technologically improved toys, made the children stay at home since they have the fun indoors, and not be interested in going outside and in nature. Also the safety issues in lots of parts in the world made the parents to restrict the children to the indoors environment.
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True or False: New DNA is copied from existing DNA
ehidna [41]

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True.

Explanation:

Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. To accomplish this, each strand of existing DNA acts as a template for replication.

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All living things contain what components?
pav-90 [236]

Living organisms also contain a lot of hydrogen, oxygen, nitrogen, sulfur, and phosphorous. Those atoms combine together to form complex molecules of various types: proteins, carbohydrates, lipids, and nucleic acids.

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