The difference is that electromagnetic waves can travel through the vacuum of space but however mechanical waves only travel through air and solid materials
B) Proteins
Lipids and Carbohydrates only contain carbon, hydrogen, and oxygen.
Unsaturated fats are a type of monomer for lipids, meaning they as well are only made up of carbon, hydrogen, and oxygen.
Answer:
the billions of cells that originate from one parent cell
Explanation:
Chromosome is to cactus as gene is to a needle.
