I believe the answer is 80. I am not sure
Answer:
<u>2</u> XE + <u>1</u> AB. --> <u>1</u> AE2 + <u>2</u> XB
Above equation is now balanced
Answer:
C. A stretch of raised land, often built to help control flooding and the flow of a river.
Explanation:
Embankments are made typically of construction adjacent to the river from spoil excavated from its bank.
I think it's C with the circles in the mantle
Au^2S^3+ 3H^2 = 2Au + 3H^2S