Understanding density helps you predict whether an object will sink or float.
C
You would add H+ ions if you added an acid. Thus lowering the pH.
Answer:
Physical adaptations do not develop during an individual animal's life, but over many generations. The shape of a bird's beak, the color of a mammal's fur, the thickness or thinness of the fur, the shape of the nose or ears are all examples of physical adaptations which help different animals survive.
