You are given a sentence and your task is to generate another sentence that supports the given input.

Catabolism -Decomposition reactions- bonds are broken.
Catabolic reactions involve breaking bonds.

The light travel time for the most distant visible galaxies is several billion years, comparable to the age of the universe, so by studying distant galaxies we are also looking back in time.
Due to the time it takes for light to reach us, galaxies at the edge of the universe are distant in terms of space and time.

Skunks spray a stinky oil to protect themselves and their kits from their enemies.

Skunks spray a strong-smelling liquid to defend themselves