For a solar eclipse to occur,
a. the sun must be directly between earth and the moon.
b. the moon must be directly between earth and the sun.
c. the moon must be directly behind earth.
d. earth must be directly between the sun and the moon.

Certain types of organisms such as fireflies and anglerfish can produce light through chemical reactions in a process called bioluminescence. what kind of chemical reactions occur during bioluminescence? o a) exothermic ob) endothermic oc) recomposition od) decomposition