An object in motion will stay in motion until when a) until a balanced force acts on it b) until an unbalanced force acts on it c) no matter what d) until a force in equilibrium acts on it

Why is it important to study each branch of earth science?

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit