Answer:true
Explanation:
Natural arches commonly form where inland cliffs, coastal cliffs, fins or stacks are subject to erosion from the sea, rivers or weathering (subaerial processes). ... The alcoves erode further into the formation eventually meeting underneath the harder caprock layer, thus creating an arch.
Answer:
The term hippocampus is related to brain research because the hippocampus is the part of the brain that contains memories, emotions and learning.
I don't know the second part, sorry-
D. A bird.
The voice from the cuckoo bird is breaking silence.
