Raditionally, beer is made by the yeast fermentation of:
a. potatoes.
b. rice.
c. cherries.
d. grapes.
e. barley.

what school and grade?

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers

a. an idea which cannot be disproven!

explanation: