Which scientist determined the nature of the forces that keep the planets in their orbits?

Newton

Brahe

Galileo

Copernicus

How do chloroplasts set plants apart from other living things

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?

What element is able to combine with itself and hydrogen to form large molecules ?