Answer:
B. R
Explanation:
A layer of partially weathered or unweathered rock is present in R soil horizon
The second one, I could be mistaken though
Uhm I think 5 sorry if I’m wrong
I believe the answer is A.
Answer:
It's the button with the x, and a blank box above it.
Explanation:
Check the attachments, you'll see what it looks like. It will probably look different on your calculator, but the icon should be the same or similar.