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Yogita Ingle 6 years, 3 months ago
The great Emperor Ashoka, the third monarch of the Maurya dynasty converted to Buddhism after witnessing the horrific effects of war in Kalinga. He became a champion and patron of Buddhism and strove to spread Dhamma throughout his empire and beyond. He erected pillars and edicts all over the subcontinent and even in modern-day Afghanistan, Nepal, Bangladesh and Pakistan to spread the Buddha’s word. James Prinsep, a British antiquary and colonial administrator was the first person to decipher Ashoka’s edicts. These inscriptions are the first tangible evidence of Buddhism.
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Yogita Ingle 6 years, 2 months ago
Snail
- A snail carries a hard outer covering called as a shell, it is made of calcium carbonate.
- The shell is dragged by the snail, and it does not help in their locomotion.
- Shell has an opening through which the body and head project out. The body is made up of muscles and is the foot of the snail. Shells protect snails from their predators.
- They move in a wavy motion
- They propel by riding on a layer of mucus, through muscle contractions of the foot
- It secretes mucus which enables swift movement.
Birds
- Birds can walk and fly
- Some birds can swim too. Example: Swans, Ducks
- Birds are able to fly as their bones are hollow and light and are called pneumatic bones.
- Bones of forelimbs enable in flying as they are modified into wings
- Bones in hind limbs help in perching and walking
- They possess strong shoulder bones
- Pectorals or breast muscles are large powerful muscles that help the birds to fly
Fish
- The body of fish resembles the shape of a boat
- The body tapers down at both ends, head and tail are comparatively smaller than the mid part of the body, hence we say their body is streamlined
- This shape allows water to glide over them thus enabling swift and efficient movement
- Fishes have a skeleton which is covered with muscles
- As fish swim, muscles at the upper part of the body glide to the other side and lower part oscillates in the opposite direction and then quickly reverses this movement hence forming a curvy motion in the water. It results in a push and jerk making it move ahead which is aided by fins of the tail.
- Other fins provide balance and maintain direction while a fish swims.
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Yogita Ingle 6 years, 3 months ago
Light is a form of energy which helps us in seeing objects. When light falls on an object, some of the light gets reflected. The reflected light comes to our eyes and we are able to see an object.
Luminous Object: An object which produces light is called a luminous object, e.g. sun, bulb, etc.
Non-luminous object: An object which does not produce light is called non-luminous object, e.g. moon.
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