Answer:
A. prevention of further erosion
I hope this is the correct answer
Answer:
It's Al 3+ + 3e - → Al
Explanation:
Because three negatively charged electrons are needed to balance the three positive charges on the aluminum ion
Answer:
a.3-5 is the modal class.
Answer:
The temperature of the town will be 15°F.
The equation showing the final temperature after drop say x degrees can be written as:

Explanation:
The current temperature in our town = T = 31°F
Temperature drop suggested by radio announcer = 15°
Temperature of the town after temperature drop = T'


The equation showing the final temperature after drop say x degrees can be written as:
