Physical properties include: appearance, texture, color, boiling point, melting point, ect.
Answer;
-Negative feedback mechanism
Explanation;
-Negative feedback is a regulatory mechanism in which a 'stimulus' causes an opposite 'output' in order to maintain an ideal level of whatever is being regulated.
-For instance; the maintenance of homeostasis normally involves negative feedback loops. These loops act to oppose the stimulus that triggers them. For example, if your body temperature is too high, a negative feedback loop will act to bring it back down towards the set point, or target value (normal value).
The answer is definitely 4. It has fewer electrons. This is because, whenever the electrons are few, they are positive. Positive electrons are anions, while the negative ones are cations. Hope i helped. Have a nice day.
The subscripts tell you <em>how many atoms</em> of an element are in one formula unit of a compound.
If there is no subscript, there is only one atom of the element.
In one formula unit of Na₂PO₃F, there are
Two atoms of sodium (Na)
One atom of phosphorus (P)
Three atoms of oxygen (O)
One atom of fluorine (F)
Answer:
1.Reactivity
2.combustibility
3.Shape
Hope this helps,
If you think I am right please give brainliest
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Explanation: