What effects do catalysts have on chemical reactions? 1.Catalysts slow down chemical reactions
2.Catalysts reverse chemical reactions
3.Catalysts speed up chemical reactions
4.all of the above

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit