Hi Kalia, thanks for asking a question here on Brainly!
When you're mapping the earth, you'll see contour lines. When those lines are close together, the slope of the hillside is steep.
Answer: Letter A ✅
Hope that helps! ★ If you have
further questions about this question or need more help, feel free to comment
below or post another question and send the link to me. -UnicornFudge aka Nadia