It is harder to lift two 25 pound dumbbells because you have to balance the dumbbells. So it takes more effort, and uses more muscles to help keep the weights balanced.
With your hands.
barbell squats are when you have one barbell in each hand at your side, while keeping your hands at your side, do squats.
Bench press
It's not so much that adjustable dumbbells are better than kettlebells or vice versa but it's a matter of personal preference. Some people like kettledrums better because they feel better in their hands.
because we were made with 2 hands and if we had 3 hands it could be harder to do some stuff
Like a regular earing, really. Stick it through and screw the ball on. Wash your hands first and be gentle to avoid irritation.
On The Tips, If You Burn Your Hands You Will See That The Fingerprints On The Tips Have Changed.
No it might be harder as you have more waight on your hands but not really
When you rub your hands together can you rub harder on one than the other? No, for each hand pushes equally on the other in accord with Newtons third law you can not push harder on one hand than the other.
shoulder girdles
It is easier to catch a football when it is warm outside. When it is cold your hands are firm and it is harder to control it in your hands.
Yes, of course!