[Answered] Which of the following fertilizer nutrients is NOT obtained from mining? a. phosphorus c. ...

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Alygatorr01285

Hero Member
Posts: 564

on: Jul 21, 2018

Which of the following fertilizer nutrients is NOT obtained from mining?

a. phosphorus c. potassium
b. nitrogen d. calcium

Question 2

Before tools were invented, humans used _____.

a. rocks c. their hands
b. flint d. all of the above

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Marked as best answer by a Subject Expert

ong527

Sr. Member
Posts: 285

Reply #1 on: Jul 21, 2018

Answer to Question 1

B

Answer to Question 2

D

Alygatorr01285

Member
Posts: 564

Reply 2 on: Jul 21, 2018

Gracias!

daiying98

Member
Posts: 354

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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