Answer:
A. The bird watcher followed the south trail a distance of five kilometers in 45 minutes.
Because the four outer planets are comprised of mostly gases give me a thanks or brainiest answer if this helps!
When water changes to ice, its density decreases and its volume increases.
The answer is : Low frequency sounds
place theory is a theory of hearing which states that our perception of sound depends on where each component frequency produces vibrations along basilar membrane, which is very sensitive to low frequency sound