4 billion years
123 years
Depending on how long they've been inactive - they're called either dormant, or extinct.
It is one mercury year long
inactive volcanoes are the most dangerous volcanoes. think of it like a fart. you are holding the gas in at school or work and when you get home or at a bathroom, you let the gas out and it lasts long or it smells. exactly like a volcano.
No, Mercury doesn't even have an atmosphere.
about 2.5 billion years but most people say five
123 years
Mercury is about 4.6 billion years old.
A volcano that has been inactive for a long time may pose a greater risk. Volcanoes that erupt frequently tend to produce small eruptions. Volcanoes that are inactive for long periods are more likely to produce large eruptions with far-reaching impacts.
It means that that friend has been inactive for a long period of time.
Depending on how long they've been inactive - they're called either dormant, or extinct.
it becomes inactive in 2 Years
No one has actually ever stepped or been on mercury as no microbe would survive the long journey.
This relatively inactive chemical predominates in marijuana that has been stored too long prior to use.
it depends on what you are doing and whether you have been inactive for a long time if you've been inactive for a while it could be that your muscles have microtears - small tears in the muscle that will repair itself within a few days - your body does this to ensure it is working in the most effective way if you have not been inactive for a long time perhaps you were working at a very high intensity and have experienced lactic acid build up, which is actually a build up of protons causing your muscles to become acidic.
Magnetic epochs last a long period of time, geologically. It is when the earth's magnetic field is the same polarity.
Ask someone from Hawaii. Hawaii is made up of many valcanic islands. Most of them are inactive, or at least have been inactive for a long period of time. Living on a very active island might not be a great idea.