Answer:
i think the answer the is a and c i dont know
Explanation:
<span>The answer should be C. - A nebula (from Latin: "cloud"; pl. nebulae or nebulæ, with ligature, or nebulas) is an interstellar cloud of dust, hydrogen, helium and other ionized gases. </span><span>As the cloud collapses, the material at the center begins to heat up to form the protostar</span>
The correct answer is 1&2
<span>As
Christian soldiers of the Crusades returned from the Middle East and
North Africa, they brought back exotic spices and foods to Europe. The Roman catholic church empire did not outlaw trade,but kings were more than willing to fund more crusades as it made them wealthy. </span>