How many valence electrons are in each atom? a. potassium C. magnesium b. carbon d. oxygen ​

Why is the structure of molecule important to its function?

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !