Question

IV. State true or false :
5x1=5
1. About three fourth of the earth's surface is covered by
water
2. SI unit of speed is m/s
3. The uppermost horizon is dark in colour
4. A base turns litmus red
5. Heat always flows from a hotter to colder object​

Answer 1

Answer:

1). true

2).false

3).true

4).false

5).true

Explanation:

this is right

Answer 2

Answer:

TRUE

TRUE

TRUE

DON'T KNOW

TRUE

Explanation:

Yes it is absolutely true bad about three fourth of the Earth surface covered by water .

there is nothing to speak in the second question .

the uppermost Harijan is generally dark in colour as rich in humus and Minerals .

I don't know this one

in Physics heat always flows from hotter objects to cooler objects as when heat and cold body are in thermal contact they exchange heat energy untill they reach thermal equilibrium