Which two scenarios illustrate the relationship between pressure and volume as described by boyle’s law? 1. the pressure in a closed bottle decreases when the bottle is squeezed. 2. the volume of an underwater bubble increases as it rises and the pressure decreases. 3. the pressure increases in an inflated plastic bag when the bag is stepped on. 4. when air is blown into a balloon, the pressure and volume both increase.

The correct answer is option 2 and 3.

The two scenarios that illustrate the relationship between pressure and volume as described by Boyle’s law are as follows:

2. The volume of an underwater bubble increases as it rises and the pressure decreases.

3. The pressure increases in an inflated plastic bag when the bag is stepped on.

According to Boyle's law, pressure of a gas is inversely proportional to its volume at constant temperature. This means that pressure rises as the volume increases and vice versa.

2 and 3

Explanation:

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the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).