It's called "building up a tolerance" to a drug. Users who take a drug all day every day become so accustomed to being on the drug, that they actually feel normal when they're on it, and they feel distinctly abnormal when they stop. They have to take massive amounts of the drug to get a high. Taking smaller amounts only feeds their craving and keeps them feeling normal.
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The chemical change in which a substance becomes more negative could be the ionization of the substance. Means that the substance becomes more negatively charged and that is due to it being ionized. It tends to gain more electrons in order to fill its valence shell to become a stable substance.
liquid
Plastic is a substance that is not attacked by corrosive substances. A corrosive substance is more dangerous compared to an irritant substance.
Stability and toxicity are almost entirely unrelated in general, so any question assuming they are related is unanswerable (in the legal venacular, "assumes facts not in evidence"). Perhaps if you were more specific ("why is compound X, which is stable, more toxic than compound Y, which is not stable?") we could answer, but the answer would likely be the same if you left out the entirely irrelevant parts about stability and just asked "Why is X more toxic than Y?".
Lavender is a pale purple. Mix red and blue to achieve the colour purple, add white until you achieve the desired shade of lavender. Adjust with more red or blue if desired.
To make clone trooper voices in Audacity 1.3 beta, you can use effects like pitch shifting to lower the pitch of your voice. You can also add echoing effects to give it a more robotic sound. Experiment with different settings to achieve the desired clone trooper voice effect.
Marijuana is a much more healthful inhalation substance. Leaving aside the therapeutic euphoric effects.
you can easily have a heart attack or die faster.
The lower the volume, the less lift, or more applications you will need to achieve the desired color.
The international unit varies according to the substance. An IU is the amount of something that is needed to produce an effect which has been agreed upon as a standard. So, 1000 IU of Vitamin D has a different mass than 1000 IU of Vitamin C.
Your question has a false assumption. Water is a very stable substance and it is not toxic.
A mineral is called an 'ore' - simply because it is the raw form of a more pure substance - and that there is sufficient quantities of the desired product in it to make extraction viable. Supply & demand has nothing to do with the naming of the substance.
It's called 'desensitizing'. If you have to drink more and more to feel the same effects that you used to feel a year ago - you are becoming desensitized to the physical effects of alcohol (however - medically you will still be risking your health !)
Mix (a substance) with another substance so that they combine together as a mass. In other words, mixing foods or ingredients together thoroughly.
Use a higher gain setting on your amp, and sustain the note, perhaps holding your guitar towards the amp, to achieve the desired effect. However, Feedback is hardly an exact science, and there is more than one way to achieve the effect.
With tolerance, it takes more alcohol to achieve the same effects that lesser quantities created before tolerance developed.