Explanation

A magnifying glass uses a convex lens to enlarge the appearance of objects.

Convex lenses converge light rays to a focal point, producing a magnified image.

Explanation

√0.49 = √(49/100)

= √49 / √100

= 7/10

= 0.7

Explanation

Explanation

Arrived means کسی جگہ تک پہنچنے کے لئے

Left means کسی جگہ سے دور جانا

Explanation

Decomposers like bacteria and fungi break down dead plants and animals.

This process recycles nutrients back into the soil, supporting new plant growth.

Explanation

The property that states:

a + b = b + a

It is known as the Commutative property of addition.

It indicates that the order of the numbers being added does not change the result.

Explanation

Explanation

To find the median, let's first arrange the observations in order:

3, 3, 4, 4, 5, 6, 8

Since there are 7 observations (an odd number), the median is the middle value, which is the 4th observation:

3, 3, 4, 4, 5, 6, 8

Explanation

Garden means باغ

Explanation

Work = Persons × Days = 3 × 4 = 12 person-days

With 4 persons: 12 ÷ 4 = 3 days.