What photosynthetic process was unknown to baptist van when he thought the mass of a plant does not come from soil

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons