Air does have weight. 14.7 psi in fact. Most of the air is Nitrogen gas, which is 2 atoms of nitrogen. There is also Oxygen gas (O2). Finally there is Carbon Dioxide (CO2). There is also a small percentage of other gasses, but they are insignificant.
All food except corn and nuts. By the release of saliva and the breaking of the food into smaller pieces by the teeth
Answer:
A
Explanation:
Near the nucleus, Centrioles are primarily used to assist in the division of cells
<span>Water-soluble vitamins are much more easily stored in the body, but they are only required up to a certain amount. Anything extra is secreted or excreted. Fat-soluble vitamins, on the other hand, are stored in the body when an excess is taken in: this can lead to a toxic level in some instances.</span>
This would be TRUE!! Plants have photosynthesis, which is their way of making their own energy, while animals must consume it's energy as food such as plants and other animals.
