Which of the following demonstrates the law of supply?
a. when the price of leather belts rose, leather belt sellers increase their quantity supplied of leather belts.
b. when car production technology improved, car producers increased their supply of cars.
c. when sweater producers expected sweater prices to rise in the near future, they decreased their current supply of sweaters.
d. when ketchup prices rose, ketchup sellers decreased their quantity supplied of ketchup.

a. When price of leather belts rose, the leather belt sellers increase their quantity supplied of leather belts.

Explanation:

Law of supply: The increase in price of goods increases the quantity supplied of the same good, keeping all other factors constant.

This means if the price of good increases, the producers tend to produce more of such goods. Thus, the quantity supplied in the market for such good also increases.

Here,

The price of leather belt increased which convinced the producers of leather belts to increase the level of production. This increased the quantity supplied of leather belts in the market.

the most important factor in the

work process or industry is to retain the interest of the employee. and to

retain them, their salary or profit must be adjusted to the best value. unless

the employee does not do his job properly, employees must receive bonuses or

benefits to ensure them to stay in the company. it will actually make them stay

longer, make them feel important and reduce costs for hiring new employees.

explanation:

mark brainliest!

the answer is true.  i do believe this is the answer because of the amount of wrecks people get into each year.  if you double this with avoiding those so said wrecks, that would make you a "skilled" driver.