Julio rubs a balloon with a cloth and places the balloon next to his head. He uses another balloon and places it next to his head without rubbing a cloth against it. Select the control in Julio's experiment. Both balloons he used in the experiment
The balloon that was not rubbed with a cloth
The balloon that was rubbed with a cloth
Placing the balloon next to his hair
WILL MARK BRAINLIEST

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?