1. Various materials which are obtained fromnature are called natural resources. Which of thefollowing is not a natural resource?(a) minerals (c) soil(b) water(d) plastic ​

Answer:

where & and ẞ are the constants, μµ, J, K and R are no. of moles, mechanical equivalent of heat, Boltzmann constant and gas constant respectively.

practice mean problems in

Answer:

Very few animals were killed in the tsunami. Perhaps they feel the tremor much before humans do. Secondly, the animals have sixth sense. Some experts also believe that animals have an acute sense of hearing that helps them to hear or feel the earth's vibration.

Answer:

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Answer:

There are many times in almost everyone’s life in which they feel really successful. At that time they are actually really proud of themselves. They feel like they are the best and like are really really proud of themselves. This is good, being proud of yourself actually increases your confidence and specially when everyone sees like you did it and then they start to cheer you up every single time you do it. It’s just a fact which I have observed in my personal life. There are not many things in which I was successful but in this thing I was really really proud of myself as I wasn’t expecting that from myself. Always since I was a baby I like sports and stuff. I used to get into teams be the captain of the teams and that is where I used to loose my confidence. There is a event called sports day in which you have to run in front of the whole school. These are normal races and you get medals or trophies as a prize. When I was six years old basically when I was in year one of my school age this event happened and somehow I came first I don’t know exactly how but yeah I did. I got trophy as a prize from my school. Then there is this girl who practised and got even faster than me and then I started to come second every single year. I was really upset. When I came to year six This event happened again, but this it was not only in front of my school but the other branches of the same school as well were watching us as we were now old enough. we went to a ground named NCC. It is mainly used for running as it has running tracks made on it. I had to believe in myself this time cause this not only my school was watching but the other school branches were also watching. First of all I had this hurdle race which was I reckon sixty metres long. I tried my best and I finally succeeded after like four years. At that time I was like so proud of myself that I have never felt that proud in my whole life.

Explanation:

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Answer:

+

3

+

2

6

−

6

−

2

4

3

=(

2

3

−

6

6

×

2

3

+

6

2

3

+

6

)+(

3

+

2

6

×

3

−

2

3

−

2

)−(

6

−

2

4

3

×

6

+

2

6

+

2

)

=(

(2

3

−

6

)(2

3

+

6

)

6(2

3

+

6

)

)+(

(

3

+

2

)(

3

−

2

)

6

(

3

−

2

)

)−(

(

6

−

2

)(

6

+

2

)

4

3

(

6

+

2

)

)

=(

(2

3

)

2

−(

6

)

2

6(2

3

+

6

)

)+(

(

3

)

2

−(

2

)

2

6

(

3

−

2

)

)−(

(

6

)

2

−(

2

)

2

4

3

(

6

+

2

)

){∵(a−b)(a+b)=a

2

−b

2

}

=(

12−6

6(2

3

+

6

)

)+(

3−2

6

(

3

−

2

)

)−(

6−2

4

3

(

6

+

2

)

)

=(

6

6(2

3

+

6

)

)+(

1

6

(

3

−

2

)

)−(

4

4

3

(

6

+

2

)

)

=(2

3

+

6

)+

6

(

3

−

2

)−

3

(

6

+

2

)

=(2

3

+

6

)+(

6×3

−

6×2

)−(

3×6

+

3×2

)

=(2

3

+

6

)+(

18

−

12

)−(

18

+

6

)

=2

3

+

6

+

18

−

12

−

18

−

6

=2

3

−

12

=2

3

−

2×2×3

=2

3

−2

3

=0

Hence,

2

3

−

6

6

+

3

+

2

6

−

6

−

2

4

3

=0