When the beak of the toy touches the water it cools the Mercury inside the toy causing it to shrink which offsets the balance in the toy. As is rises the mercury heats up and expands, again causing an offset in balance, continuing the cycle.
People get hickeys by sucking on their neck and causing blood to rise which causes the redness to appear.
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Lift is the force that causes an airplane to rise. Lift is caused by the flowing of air under the wings. This causes the airplane to rise.
It is caused when a bird runs into warm air and it causes it to fly. About any bird will fly when they run into warm air, except the ones that can't fly.
Carbon dioxide
Yeast.
drugs
The sudden vibration in the plates inside the crust causes the earths crust to rise & fall.
The yeast consumes the natural sugars in the dough and causes bubbles to form. This causes the dough to rise. It's being blown up by the yeast.
the yeast
to rise out of a fluid or covering
Supply and demand is what causes house prices to rise. If there are few houses for sale, but many people looking to buy a house, the price of those few houses will rise.