Question

IV. Write T for True or F for False.
1) Most people have 12 pairs of ribs.
2) People used an hourglass to measure time in olden times.
3) Air can have weight but cannot occupy space.
4) The inner most layer of the earth is called mante2:16 pm
5) A shadow is formed when objects block light.​

Answer 1

Answer:

1) False

2) True

3) False

4) False

5) True

Explanation:

1) In all humans, there are normally 12 pairs of rib.

2) In early times, hourglasses are used to measure accurate time, independent of whether effects.

3) Anything that have mass, has weight and occupy space.

4) Innermost layer is inner core. Above it is outer core. Mantle lies below the earth crust.

5) Shadow is a dark spot formed by translucent and opaque objects when it blocks light.

I hope this will help you : )