?Natural rubber is very sensitive to temperature, but Charles Goodyear found that by kneading ____ into it improved its characteristics.
A. ?powdered horn
B. ?gutta percha
C. ?powdered sulfur
D. ?shellac
Answer: C
You might also like to view...
Why is it not advisable to use a Reed and Prince on automotive screws?
What will be an ideal response?
The endocrine system
A) releases neurotransmitters into the bloodstream for distribution throughout the body. B) is regulated mainly by positive feedback. C) produces effects that last for seconds or minutes. D) is not involved in homeostasis. E) relies on the release of chemicals that bind to target cells.
The Nobel Prize is administered by The Nobel Foundation, a private institution that was founded in 1900 based on the will of Alfred Nobel, the inventor of dynamite. In part, his will stated: “The capital shall be invested by my executors in safe securities and shall constitute a fund, the interest on which shall be annually distributed in the form of prizes to those who, during the preceding year, shall have conferred the greatest benefit on mankind.” The will further stated that the prizes were to be awarded in physics, chemistry, peace, physiology or medicine, and literature. In addition to a gold medal and a diploma, each recipient receives a substantial sum of money that depends on the Foundation’s income that year. The first Nobel Prize was awarded in 1901 in the amount of
$150,000. In 1996, the award was $653,000; it was $1.03 million in 2014. (a) If the increase between 1996 and 2014 was strictly due to inflation, what was the average inflation rate per year during that 18-year period? (b) If the Foundation expects to invest money with a return of 5% above the inflation rate, how much will a laureate receive in 2020, provided the inflation rate averages 3% per year between 2014 and 2020?
Reducing the CFM through the evaporator will cause the amperage draw of the compressor to ____________________.
Fill in the blank(s) with the appropriate word(s).