Answer:
Volcanic ash burns at 1,100C and can melt through the metal of a plane or bind to the turbines.
Pope Urban II feared that the Seljuk Turks might keep Christians from visiting the Holy Land. .. or B
Answer:
many different food chains connected together
Explanation:
While race<span> and </span>ethnicity<span> share an ideology of common ancestry, they differ in several ways. First of all, </span>race<span> is primarily unitary. You can only have one </span>race<span>, while you can claim multiple </span>ethnic<span> affiliations. You can identify ethnically as Irish and Polish, but you have to be essentially either black or white.</span>