Flash drivers are more robust, if you drop it, it is still most likely to work. Hard drivers provide more storage. There’s not much difference
All of them are properties of compounds except III.
for I, compounds are chemically combined together, so to separate them, we must use chemical methods like electrolysis or applying heat. These requires large amount of energy.
For II, they're always fixed. For example, in water (H2O), the ratio of hydrogen and oxygen is always 1:8 in mass. If there's some extra added, the substance becomes mixture instead of compounds.
For IV, after you chemically combined elements or compounds together, their properties are completely different. For example, iron can be attracted to magnets, but iron II sulphide does not.
Bleaching hair i a physical change i think; it washes the pigments out.
i hope this helps (;
The best and most correct answer among the choices provided by your question is the first choice or letter A.
<span>A solute will continue to dissolve in a solvent until an equilibrium is reached.</span>
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Answer: 150N
Explanation:
The formula to calculate the force will be the mass multiplied by the acceleration. In this case, mass = 15kg and acceleration = 10m/s². Therefore, force will be:
= Mass × Acceleration
= 15 × 10
= 150N
The force is 150Newton
