Explanation:
a barometer is one of the most common instrument used for weather forecasting and measuring tornadoes.
<span>An emulsion refers to a liquid dispersed in another liquid with which it is not soluble. For example, oil mixed with vinegar is an example of an emulsion with which oil remains suspended as droplets in vinegar, in which it is not soluble. An emulsifier helps to stabilize emulsions and aid in the mixing of the substances.</span>
The two-layered sac surrounding the heart is the pericardium.
Hope this helps!
The last one
some cells are living and some cells are not
i think
The glacial budget refers to the input of water to the output of water. The input is when people put water in the glacier and the output is when the glacier starts to evaporate.
