It could be the third and the first one.
Use acceleration = Final Velocity - Initial Velocity. So for the first one:
1.6m/s - 3.6m/s = -2.6m/s. This means the velocity changed by a negative amount so the acceleration is negative.
Mass times acceleration? Don't know what you mean.
I think d because the water can make the humidity go down and make the air cool
<h2>hey mate ,</h2>
- Answer is washing Machine.
<h3>hope it's helpful for you ✌️✌️✌️✌️</h3>