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The Neanderthals lived in caves because at that time the climate in Europe was extremely cold.

1. The way of human life in the New Stone Age was completely different as compared to the life in the Old Stone Age and Middle Stone Age. 

2. Humans became producers of food and started cultivating the land. 

3. Agriculture made it possible to store food and use it over a longer period.

4. Therefore, there was no need for humans in the New Stone Age to constantly move from one place to another.

The Homo sapiens felled trees to clear the jungles and set up their seasonal camps in the clearings

A) At wood machine

1. The Neanderthals mainly lived in caves.

2. They protected themselves from the cold by wearing leather clothes and making use of fire. 

3. They also used animal hides to erect tents inside the caves for warmth. 

4. This is how the Neanderthals protected themselves from the cold.

According to the climate, fishing and hunting was the work done by Homo sapiens.

Correct option is A) Pulley

Other than hunting, the Homo sapiens harvested seasonal wild grains and gathered seasonal fruits and roots.

As the mammoths became extinct due to hunting, the Homo sapiens turned to fishing.

1. It was no longer necessary to wander from place to place in search of food. 

2. They moved their camps to different places according to seasonal changes in climate. Thus, the Homo sapiens stayed in one place over a longer period of time.

Correct option is D) 0

The Homo sapiens moved their camps to different places according to the seasonal changes.

i. By observation of nature, the Homo sapiens discovered and learnt about the best seasons for fishing and the best hunting ground.

ii. For this reason, they needed to stay in one place for a longer period of time.

Their changed diet pattern enabled groups of Homo sapiens to roam to faraway regions.

We get apples in plenty in the autumn season.

• Good friends are loyal. 
• Good friends are good listeners. Good friends accept you as you are. 
• Good friends stand by you no matter what the situation is. 
• Good friends are selfless. 
• Good friends are humorous and honest.

m = 10 Kg, u = 0
Acceleration s = 80 cm = 0.8 m.
Velocity a = 10 ms^-2
v² = u² + 2as
v² = 0 + 2 × 10 × 0.8 =16
∴ v = \(\sqrt{16}\) = 4ms^-1
Momentum of dumb-bell just before it touches the floor
P = mv
= 10 × 4
= 40 Kgms^-1.
When the dumbbell touches the floor its velocity becomes zero. Thus the total momentum of the dumbbell is transferred to the floor.
Hence the momentum transferred to floor = 40 Kgms^-2.

1. right, write 

2. two, too 

3. whole, holes 

4. tale, tails 

5. knew, new

1. are, write 

2. need, gaven 

3. ate, were 

4. know, tell

5. knew, unwanted

1. valuable and costly 

2. race 

3. flowers 

4. aroma 

5. brightly 

6. plucked 

7. results

The Ganga-Brahmaputra plains provide flat, fertile land with alluvial soil for the cultivation of crops. The amount of rainfall this region receives is also quite high, which makes it a suitable place for the growth of paddy, a crop that requires adequate water for its growth. Moreover, the temperature in this region is suitable for the growth of paddy. Therefore, paddy is grown in the Ganga- Brahmaputra plains.

1. A worker must receive the pay according to his work. 

2. Pay attention to the speaker.

The one-horned rhinoceros is found in the Brahmaputra plain.

Toucans, humming birds and birds of paradise are commonly found in the rainforests of the Amazon.

The people of the Amazon basin mainly grow tapioca, pineapple and sweet potato. They also grow cash crops like coffee, maize and cocoa.

Allahabad, Kanpur, Varanasi, Lucknow, Patna and Kolkata are the major cities located on the River Ganga.

When Marouckla reached the top of the mountain, she saw a big fire burning and twelve men sitting around it.

Mother was always cross with Marouckla because she was her stepdaughter and was prettier than the own daughter.

1. adorning – decorating. 

The Christmas tree was adorned with bells bows, stars and ribbons. 

2. rated – scolded 

Mother rated me for breaking the window. 

3. abused – treated with cruelty 

The Britishers abused the Indians during our freedom struggle.

4. starlets – flowers in the shape of stars. 

The garden was filled with blue starlets 

5. delicious – very 

tasty Indian cuisine (cooking) is very delicious.

We get strawberries in plenty in the summer season.

When the violets began to bloom they looked as though a blue cloth had been spread out on the ground.

1. stepmother = step + mother 

2. footprint = foot + print 

3. snowwhite = snow + white 

4. springtime spring + time 

5. gentle-hearted = gentle + hearted 

6. anywhere = any + where

The ripened strawberries looked as though a red carpet had been spread on the ground.

A mother and her two daughters lived in a faraway country.

Marouckla was a gentle-hearted girl

Holena ordered Marouckla to go into the forest and get some red apples on the third day.

• stepdaughter = step + daughter 
• without = with + out
• faraway = far + away 
• housework = house + work 
• joyfully = joy + fully

1. wrapped – covered 

I wrapped the gift with a glitter paper.

2. bade – commanded 

Mother bade us to complete our studies before going to play.

3. club – a heavy stick 

The Stone Age man used clubs as weapons before they invented metal weapons. cross-angry My teacher was cross with me for not completing my work on time.

4. terror – fright, fear 

The terrorist attack created terror in the minds of little children.

In any democratic system, governments are responsible and accountable to the people.

Marouckla’s stepmother hated her because she was prettier than her own daughter Holena.

No, Marouckla did not get any of the things she brought. Her wicked stepmother and stepsister enjoyed them all by themselves.

Nouns – child, stepdaughter

Marouckla saw that three of them had snow white beard, three of them were not so old, and three were still younger. The three youngest men were the handsomest of them all.

Holena and her mother wrapped themselves in fur coats and shawls before they went out into the forest.