Author Question: Arrange these in the correct order, starting with the layer closest to the ground: 1. ozone layer 2. ... (Read 70 times)

shofmannx20 · **on:** Aug 27, 2018

Arrange these in the correct order, starting with the layer closest to the ground: 1. ozone layer 2. stratosphere 3. troposphere

A) 3, 1, 2
B) 2, 3, 1
C) 1, 2, 3
D) The layers mix freely, so there is no distinction.
E) none of the above

Question 2

A metal is an element that tends to ________ valence electrons in chemical reactions, becoming a(n) ________ in the process.

A) lose; cation
B) gain; anion
C) lose; anion
D) gain; cation