Respuesta :
Part A: Nature hold important keys to the past
Part B: She remembered her science teacher talking about the presence of lichen as a sign that the air is clean
I'd appreciate it if you gave me brainliest and liked my answer!
Part B: She remembered her science teacher talking about the presence of lichen as a sign that the air is clean
I'd appreciate it if you gave me brainliest and liked my answer!