If you hold a balloon by a string and the balloon moves towards your sweater and sticks there, what would you infer

Me with these questions if you’re it sure don’t answer

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?