how to close background apps on iPhone 11?

How do I clear apps running in the background on my iPhone 11?

Is there a way to close all background apps on iPhone?

How do you close apps on iPhone 11 without home button?

How do I shut down all apps running in the background?

How do I turn off apps running in the background?

Can you turn off all apps running in the background?

How do I close all apps running in the background?

How to turn off iPhone 11 without screen without home button?

How do I know if something is running in the background on my iPhone?

How do I see what apps are running on my iPhone?

How do I stop apps from using my iPhone battery in the background?

How do I find out what is running in the background on my iPhone?

How do I turn off background activity on iPhone?