In order for the apple tree experiment to be valid scientifically, both orchards must:

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Is a renewable energy source that's highly environmentally friendly.hope this is what you're looking for. have a great day! : d