Layer B would 'be'(get it??) would be the oldest of the two because it came before layer D. The second part to the question I don't understand.
Weather can change from hour-to-hour and day-to-day, and can differ based on atmospheric changes and humidity, among other factors. Climate is the average of an area's weather over a period of time - a pattern that typically occurs over many years.
Answer:
B
Explanation:
13/15=0.866666
multiply the amount by 100 to get a percent
86.6666%
Round to a whole number
final answer=87%
