Which information about an atom can a period number give you?(1 point) A_ how many bonds it will make

B_ how many energy levels it has

C_ the number of valence electrons it has

D_ the ionic charge it forms

What element breaks down into yttrium-90?

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

How have the greenhouse gasses increased from the year 2000 to 2018