im assuming youre looking for the definition, so...
Petrochemical Industry. The petrochemical industry is an industry branch that produces organic intermediate products such as refinery products, natural gas, plastic, rubber, fiber raw materials.
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The Cold War had a tremendous impact on the everyday lives of Americans. For example, students in public schools during the 1950's often had to practice "Duck and Cover" drills. These drills forced students to cover their head with their hands and to hide underneath desks. One of the reasons students practiced these drills was in case nuclear warfare between the United States and Soviet Union took place.
In the aforementioned scenario, students would be ducking and covering to protect themselves from the effects of a nuclear attack. This type of drill showed the Americans were constantly in fear of what might happen next between the US and the Soviet Union.
Answer:
one is the scientific notation
Explanation: im not sure about the other
C. Bantu
Bantu-speaking peoples migrated from Western Africa (in the area of modern Nigeria) throughout southern parts of Africa starting around 1000 BC and continuing to the 1500s (or perhaps a bit later, by some accounts).
There is some debate among historians as to whether iron metallurgy arose independently in Africa or was learned or borrowed from the Middle East or Europe. But whether independently invented or borrowed, the fact remains the the spread of iron working in Africa and the spread of Bantu languages by Bantu migration across Africa were correlated events.
