Question

1). Thermometer has_____ main levels.

2). ______ is the biggest source of heat and light.

3). The layer of atmosphere near Earth is known as______.

4). ______ method is used for extracting minerals from great depth.

5) production of iron ore was started in_______...............
plzzzzzzzzz help me in blanks......,..,.......​

Answer 1

Answer:

2 sun

3 troposphere

4 mining

5 1904

Explanation:

ppz mark me brainlest

Answer 2

Answer:

1. sorry I don't know this answer

2.sun

3.troposphere

4.underground mining

5.singhbhum