Scientists on Wednesday raised the alert level for Anak Krakatoa and Tangkuban Prahu -- which regularly spew gas and rumble -- from "normal" to "warning," the middle of three alert levels.
This is what people are talking about when they refer to the dangers of solar storms and coronal mass ejections, which are essentially when the Sun spews out plasma that, along with its embedded magnetic field, can reach Earth.
As food travels through our digestive tract, it reaches the fermentors who extract energy from these sugars by converting them into chemicals, like alcohol and hydrogen gas, which they spew out as waste products.
I don't know! This stupid old car started spewing white smoke and it just died on me. Luckily, I managed to start it up and drive it here. What do you think it is?