Answer:
Nitrogen will called as atom or molecule or ion too in the state which it exist means in which form it is present .
Answer
raise/lower temp of certain ecosystems. Bring new predators/prey. Erode surrounding environment
Explanation:
Answer:
3 AU
Explanation:
The distance from the Earth to the Sun is known as 1 AU, or 1 Astronomical Unit. If an asteroid is three times this distance, it is 3 AU away.
The balanced equation is 2HgO --> 2Hg + O2