Why is Mercury the only metal present in the liquid state at room temperature?
Asked by: Rajiv Ghanta
Answer
Because it has a lower melting point than other metals (-39 deg C).
Answered by: Thomas Beach, student
'Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive is owed not just to ourselves but also to that Cosmos, ancient and vast, from which we spring.'