Answer:
atomic number
Explanation:
atomic number = proton number = number of protons
Cohesion causes water molecules to stick to each other. Cohesion is the attraction of like molecules
Answer:
Earth's atmosphere is roughly 78 percent nitrogen and 21 percent oxygen, with trace amounts of water, argon, carbon dioxide and other gases. Nowhere else in the solar system is there an atmosphere loaded with free oxygen, which is vital to one of the other unique features of Earth: life
The answer is B. Flying and keeping warm
B A gene is a portion of a DNA molecule that codes for a protein.
Its not a protein nor RNA
