Answer:
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air.
Electrons are the smallest of the three particles that make up atoms. Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center of the atom.
Only the birds with the largest of beaks are able to eat the toughest, biggest, and spine covered seeds. Which is not right because some other Galapagos Birds might have some other way eat those seeds with their finches
Answer:
they help lower the activation energy of chemical reactions
