oil level keeps getting low, there are no visible leeks i just added oil. on 1998 Chevrolet S10

i keep checking the oil level and after a couple weeks the oil level goes down drastically i dont see any sign of leakage where could the oil be going

Asked by for the 1998 Chevrolet S10
2 answers
Is your exhaust visible? maybe your car is burning oil...
How many miles do you drive per week? How many miles on the S 10? Is it a Blazer with the 4.3 or a pick up whith what engine?
How much oil do you have to add back to bring it up to the PROPER level? More info. needed!