Fill in the following blanks with suitable words:
j) A drinking straw works on the existence of ……….. Pressure.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Function of a Drinking Straw**: A drinking straw is a simple tool that allows a person to drink liquids without having to tilt the container. It relies on the principles of pressure to function effectively.

2. **Recognizing the Role of Pressure**: When you suck on a straw, you reduce the air pressure inside the straw. This creates a difference in pressure between the atmosphere and the inside of the straw.

3. **Atmospheric Pressure**: The air pressure exerted by the weight of the atmosphere is known as atmospheric pressure. It pushes down on the liquid in the container, causing it to rise up into the straw when the pressure inside the straw is lowered.

...