When the wind blows, the leaves:

When the wind blows, the leaves on trees are affected in various ways. Let's explore the different possibilities listed in the options and determine the correct answer.

a) Make a rustling noise:

When the wind blows, the leaves on trees often make a rustling noise. This is because the movement of the wind causes the leaves to rub against each other or against the branches, resulting in a gentle or sometimes even a louder rustling sound. However, the rustling noise is not the only outcome when the wind blows, so this option may not be the correct answer.

b) Fall down:

When the wind blows strongly, it can cause leaves to fall down from trees. This is especially true if the wind is accompanied by heavy rain or if the leaves are already weak or ready to fall due to seasonal changes. The force of the wind can detach the leaves from their stems or branches, causing them to fall to the ground. This option seems to be the most accurate answer as it specifically mentions the leaves falling down.

c) Are blown away:

When the wind blows, it can also blow the leaves away from their original position. This can happen if the wind is strong enough to carry the leaves through the air and transport them to a different location. However, this option does not necessarily imply that the leaves fall to the ground, so it might not be the best answer for this specific question.

d) Are stirred:

When the wind blows, the leaves on trees can be stirred and moved around. The movement of the wind can cause the leaves to flutter or sway in the breeze, creating a visually dynamic effect. However, this option does not specifically indicate that the leaves fall down or are affected in any other significant way, so it might not be the correct answer.

Conclusion:

After considering all the options, it can be concluded that option 'b' (fall down) is the most accurate answer. When the wind blows, the force of the wind can cause leaves to detach from their stems or branches, leading to them falling down to the ground. This is a common sight during windy weather conditions and is often observed in autumn when trees shed their leaves.