Q: The first step in the water cycle is evaporation. What gives water the energy to evaporate?
A: Sun
Q: In what way does society benefit from research on diseases?
A: Many illnesses will be prevented or cured.
Q: The atoms that make up oxygen gas
A: share two covalent bonds.
Q: On a small, isolated island, a hurricane destroyed all the trees that produced a large, hard-shelled nut. Which bird population would most likely decrease?
A:
birds with thick, strong beaks