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Stella [2.4K]
3 years ago
8

PLEASE HELP ASAP ONE MORE QUESTION !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Which of the following is a direct result of technological advances in farming techniques?
A.
The United States can produce enough food to feed all the people in the world.

B.
The average life expectancy in the United States is beginning to decrease.

C.
Heart disease is the leading cause of death in industrialized countries.

D.
The percent of the population with type II diabetes has increased in the past few decades.
Chemistry
1 answer:
MAXImum [283]3 years ago
3 0

A.  The United States can produce enough food to feed all the people in the world. is your best answer, and is the only logical answer.

It is the only answer that actually has the word "food" in it, and is a direct result of farming technological advances.

~

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Na2SO4 is dissolved in water to make 450mL of a 0.2250 M solution. What is the molar mass of Na2SO4?
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Answer:

mass Na2SO4 = 14.3816 g

Explanation:

sln Na2SO4:

∴ V = 450 mL

∴ <em>C </em>=<em> </em>0.2250 mol/L

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⇒ mol Na2SO4 = (0.2250 mol/L)(0.450 L) = 0.10125 mol

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