B ia the correct one .
Hydrogen only uses the first energy shell, which holds 2 electrons, not 8.
B. The sand increases friction by increasing roughness.
Bull sharks have the unique ability of keeping salt in their bodies even freshwater
It has a double C=C bond so that means it's unsaturated, but it can also be a cyclic compound with only simple C-C bonds
Answer:
Interstellar medium
Explanation:
The interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy. This matter includes gas in ionic, atomic, and molecular form, as well as dust and cosmic rays.