Q: Q: In many cases, the alkali metal amide salt (mnh2) is not very soluble in liquid ammonia and does what? Choices: - settles - isolates - evaporates - precipitates A:
A: precipitates

Q: Q: We divide up the earth's seas into five what, which are really all interconnected? Choices: - lakes - continents - ecosystems - oceans A:
A: oceans

Q: Q: What is never lost and just changes forms? Choices: - life - food - fuel - energy A:
A: energy

Q: Q: The uterus has an external opening known as what? Choices: - cervix - ovaries - fallopian tubes - vulva A:
A: vulva