Answer:
B
Explanation:
Water-Continental-Oceanic-Mantle
Answer:
I remember doing this in 7th,
1. D
2. B or D, more leaning on B though
3. A
Answer: Reactivity is not a physical property, it is a chemical property.
Explanation:
Physical property is a value of matter that can be observed and measured without any change in composition of the matter. Examples of physical properties are color, combustion,melting point,boiling point,solubility, texture, appearance, polarity, odor,viscosity, density and many more.
Chemical properties are characteristics that are obvious or seen when substances undergo chemical reaction. Examples are reactivity,toxicity, acidity, flammability, and heat combustion.
I'm happy to help but do you have the options?
