At 20.°c, a 1.2-gram sample of mg ribbon reacts rapidly with 10.0 milliliters of 1.0 m hcl(aq). which change in conditions would have caused
the reaction to proceed more slowly?
(1) increasing the initial temperature to 25°c
(2) decreasing the concentration of hcl(aq) to 0.1 m
(3) using 1.2 g of powdered mg
(4) using 2.4 g of mg ribbon

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

What type of organic molecule comprises the majority of a potato?

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso