E iron air or water. 9. Plants, like all other organisms, are composed of cells. A group of students placed
spinach leaves in a beaker of water in full sunlight. After several hours, small bubbles
appeared on the leaves. These bubbles probably consisted of
A. H2O
B. 02
C. CO2
D. H2

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

Which of the following electromagnetic waves can create ions?

Ajar contains a certain substance. which observation would show that the substance must be either a solid or a liquid?