3 vocabulary words about Rare Embryo Found Inside Prehistoric Turtle Egg? Can you answer this quick I really need this answer, please help me... Is science

There are main groups in the modern periodic table of elements

What does the cell nucleus do or, how does it function?

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 !