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Author Question: About what percent of Earth's radius do the crust and mantle together constitute? a. 15 b. 70 c. ... (Read 97 times)

rlane42

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About what percent of Earth's radius do the crust and mantle together constitute?
 a. 15
  b. 70
  c. 45
  d. 30

Question 2

The element barium should produce compounds most similar to those of
 a. sodium.
  b. nitrogen.
  c. carbon.
  d. calcium.



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daiying98

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Answer to Question 1

c

Answer to Question 2

d




rlane42

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Reply 2 on: Jul 28, 2018
Excellent


adammoses97

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Reply 3 on: Yesterday
:D TYSM

 

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