Answer:
Liquid ammonia is liquefied ammonia and is basic in nature. It dissolves in water to give ammonium hydroxide which ionizes to give hydroxyl ions. Therefore it turns red litmus blue and phenolphthalein solution pink.
comes from the earth's crust<span />
These fossils are very useful for us because we can use them to date the layers of rock that they are found in. Fossils that can be used in this way are called index fossils, and rock layers with the same index fossils in them can be correlated. Not my answer, link here for full
http://peter-mulroy.squarespace.com/correlating-rock-layers/
<span>D) The thrust of the air propels the balloon in the opposite direction.
Hope this helps!
-Payshence xoxo</span>
Answer:
Cells are arranged to form different types of TISSUE, which then work to perform specific jobs for the well-being of the animal.
