(i) Data is the information that has to be processed.
(ii) They are in the form of numbers, alphabets and images.

A computer is an electronic device that process the data and information according to our needs.

We should not wash the fruits and vegetables after cutting because they lose some of their nutrients and thus their nutritional value gets reduced.

Kilogram.

(1) The camel has long legs which help it to keep its body away from the hot sand in the desert.
(2) It can store large amount of water in its body.
(3) it loses very little water from its body through excretion.
(4) A camel's hump has fat stored in it. It ups the stored fat when required.
(5) It has large and flat padded feet to walk easily on soft sand.
(6) It has long eye lashes and hairs to protect its eyes and ears from the blowing dust.
(7) It can keep its nostrils closed to avoid dust.

When there is a change of position of an object with respect to time then it is called motion.
Types of motion:
a) Based on path:
i) Linear motion - a person walking on a straight path
ii) Curvilinear motion - throwing ball
iii) Circular motion - swirling stone tied to the rope
iv) Rotatory motion - a rotating top
v) Oscillatory motion - pendulum of clock
vi) Zig zag (or) Irregular motion - the motion of a bee
b) Based on duration:
i) period motion - movement of hour hand of a clock
ii) Non-periodic  - motion flapping of a flag in wind
c) Based on speed:
9) Uniform motion -  motion of a train at a constant speed
ii) Non-uniform motion - a vehicle moves in different speed

Method 1:
(i) Place a string along the curved line, Make sure that the stringcovers every bit of the curved line.
(ii) Mark the points where the curved line begins and ends on the string.
(iii) Now, stretch the string along the length of a meter scale and measure the distance between the two markings of the string.
(iv) This will give us the length of a curved line.
Method 2:
(i) Draw a curved line AB on a piece of paper.
(ii) Separate the legs of the divider by 0.5 cm or 1 cm using a ruler.
(iii) Place it on the curved line starting from one end. Mark the position of the other end. Move it along the line again and again cutting the line into number of segments of equal lengths. The remaining parts of the line can be measured using a scale.
(iv) Count the number of segments.
(v) Therefore, the length of the line = (number of segments x length of each segment) + length of the left over part.

Adaptations seen in different types of vertebrates are

(i) The atoms of a gas never stop moving.
(ii) They are not affected by gravity.
(iii) They spread out in order to occupy the available space.

a) Neem tree
b) Mango tree
c) Croutons
d) Coconut tree