Part A Study the picture of copper. How many connections or bonds does the center atom have to the other atoms?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Aboy with an extra x chromosome probably has which of the following syndromes?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.