They went home and found that their mother is using a plunger because the kitchen is blocked. they have two diffrent size of plunger. syamil suggest his mom to use a bigger plunger. justify syamil's choice

If the mom uses the bigger plunger, the strength of the "vaccum" is greater

Explanation:

After the plunger is attached to the hole, when it is pulled back, everything in there is getting sucked up, causing a vaccum. The sudden force of pressure loosens the clog in the kitchen sink. The wider the plunger is, the greater the force. It can't be to big though.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.