The part of the water cycle where water from the ocean is changed into vapor is driven by energy from the ?
A) lunar tides
B) earth's gravity
C) magnitisim
D) sun's heat

D) Sun's heat

Explanation:

The water cycle is driven primarily by the energy from the sun. This solar energy drives the cycle by evaporating water from the oceans, lakes and rivers.

D) sun's heat

Explanation:

The sun's heat provides enough energy to water molecules at the surface so they move fast enough to escape from the water. The water does not need to boil.

a c d and f

just finished the assignment

  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-