Answer:
Hydrogen and helium.
Explanation: I hope this helps
Answer:
I guess that the answer would be the 'political boundaries'
A structure separating land and water areas. It is designed to prevent coastal erosion and other damage due to wave action and storm surge, such as flooding
Answer:
<u><em>8 spaces</em></u>, but the image appears to be a different question witch I think the answer to that is <em><u>line c</u></em>
Explanation:
0 to -8 = <u><em>8 spaces</em></u>, and for the image I don't know how to explain, but the answer is <u><em>line c</em></u>
California has the most miles.