Chemistry, 29.10.2020 03:40 foreverisabel
The eruption of Mount Vesuvius in Southern Italy erupted so violently in AD 79, it literally buried the town of Pompeii. It was excavated in the 1700’s, what did scientists find?
scientists who found everything burned and there were no remains of anything resembling the town of Pompeii.
scientists who found several new species of humans under the ash.
scientists found everything intact—from buildings to perfect molds of people who had been buried alive by the ash.
scientists who found crystals made from the cooled lava.
Answers: 3
Chemistry, 22.06.2019 13:00
In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
Answers: 3
Chemistry, 22.06.2019 19:20
Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?
Answers: 3
Chemistry, 22.06.2019 20:30
What is a difference between a mixture of elements and a mixture of compounds
Answers: 1
Chemistry, 22.06.2019 22:30
Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?
Answers: 1
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