Regrowth of grass, ferns, wildfloeers after a wildfire is an example

Nucleic acid certain protein cell membranes certain carbohydrates

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

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?