Question

Fill in the blanks.
1. Alchemist believed that they could refine base metals into precious metals, if they could find the substance called ––—----
2. The first scientist who made a clear distinction between Alchemy and Chemistry was -------------
3. Symbols of first 20 element of the ------------
4. At room temperature ------------ and ---------- exist as liquids.
5. Helium, neon and argon are ---------- gases.
6. Loading increase the rate of --------------
7. Water is purified in water treatment plants to make it --------------
8. The smallest particle of an element called -------------
9. Water expands on ------------
10. Water helps in the --------------- of seeds.
11. Marine life is not possible In -----------
12. Solution of milk in water is an ---------- solution.
13. Construction of dams and reservoirs helps to control --------------
14. -------------- and ------------- are the two main sources of water. ​

Answer 1

Answer:

The probability of a sure event is 1. NOTE :- A sure event is an event, which always happens. For example ,it's a sure event to obtain a number between 1 and 6 when rolling an ordinary die. The probability of a sure event has the value of 1