the time required for the activity of a substance taken into the body to lose one half its initial effectiveness. Informal. a brief period during which something flourishes before dying out.
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As the gas is heated, the particles will begin to move faster. Likewise if you start to cool a gas, the particles will move slower. Because the gas remains at a constant pressure and volume, the particles cannot spread out so they simply move around the container even faster.
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the answer is 15.
4+4+4+1 =13 then u add the 2 outside the bracket which will give u 15
Rutherford, through his gold-foil experiment, discovered that the nucleus is a small core of protons and neutrons making up most of the atom’s mass.
Answer: nebula
Explanation: All stars start off in a large cloud of dust and gas which is called a nebula.
