You are comparing a reaction that produces a chemical change in one that produces a physical change whatever is good to use to determine the type of change occurring?

Why is permeable soil best for plants that need a lot of drainage?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?