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.
B.
Deforestation affects ecosystems on land. there are no forests underwater
This short description given clearly describes the Milky Way Galaxy. It is a collection of millions of stars, dusts, and gases that form a halo of hot gas. Some scientists theorized that within this galaxy are thousands of other galaxies that could possibly hold other life forms.
For him they were just discrete physical units of inheritance. Johanson coined the term "gene" and people started calling them genes. Today for us these factors are parts of DNA, the base sequences that carry the biological information to determine a trait. Mendel factors are alleles of genes.