D.the newscasters on channel 20 seems very friendly
Ok. for question #1:A.
question#4 (i think, idk):C
question #6:A
question #7:A
question#14:B
question#15:D
question#18:D
question#19:A
(btw I barely understood any of that, so please next time, clarify your question to make it easier to comprehend)
Answer:
hope this helps
Explanation:
The electric furnace (1889) It was “the only means for commercially producing Carborundum (the hardest of all manufactured substances).” The electric furnace also converted aluminum “from a merely precious to very useful metal” (by reducing it’s price 98 percent), and was “radically transforming the steel industry.
