Somewhere between "none" and "a lot". Lead is not biologically necessary, so it's up to you how much of it you use and what you use it for.
They use in his lifetime 198.
1,000
Most people in the 21st century will use about 2345678 million gallons per lifetime if they live 100 years
To lead a horse you would use a halter and lead rope. The lead rope attaches to the halter.
100 MW
You don't use lead in cooking measurements.
It depends on the person and how much hair supplies the person uses.
928 lead 750 zinc 1,500 copper 3,600 aluminum 32,000 iron 27,000 clay 28,000 salt 1,000,000 stone, sand, and gravel
However much they want and can afford to buy.
would you use uranium-lead radiometric dating to finnd an igneous rocks age
No that would defeat the object of making them.
Demeter is often associated with agriculture and the harvest, so she would likely use tools such as a sickle or a basket the most in her lifetime. Additionally, she is also known for her connection to the earth, so she may frequently use soil or seeds in her life's work.