B - two hydrogen atoms and one oxygen atom
1) is chemical Bonds
3) Conservation of mass
5) compound
hope i helped on the ones i could answer
The amount of oxygen bound to hemoglobin is 98.5%
The appropriate answer is B. Has no atmosphere. Neptune is a gas giant and is the eight planet in the solar system. It has a thick atmosphere consisting of hydrogen, helium and methane. Neptune has at least eight moons with Triton being the largest.
Neptune has four rings which circle the planet. The rings are made of dust particles, similar to the rings of Saturn.
