Which of the following elements is the physical basis of life on Earth? A) Nitrogen B) Oxygen ...

Author Question: Which of the following elements is the physical basis of life on Earth? A) Nitrogen B) Oxygen ... (Read 59 times)

urbanoutfitters

Hero Member
Posts: 530

on: Jul 27, 2018

Which of the following elements is the physical basis of life on Earth?

A) Nitrogen
B) Oxygen
C) Carbon
D) Hydrogen

Question 2

Which of the following is the fastest human device ever launched?

A) Sputnik 1
B) The New Horizon probe
C) The Rosetta orbiter
D) Voyager 2

Jane

Sr. Member
Posts: 309

Reply #1 on: Jul 27, 2018

Answer to Question 1

C

Answer to Question 2

B

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