Answer:
a number of people or things that are located close together or are considered or classed together.
Explanation:
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.
It is known
that acids compounds contains hydrogen and produces hydrogen ion in water. A
binary acid however is an acid that have two elements, one of the element has a
hydrogen attached to it. Examples of binary acids are hydrogen fluoride (HF), hydrogen
bromide (HBr) and hydrogen sulfide (H2S). In naming a binary acid, it has two
rules; one, as pure compounds and two, as acid solutions. For pure compounds,
start with the name ‘hydrogen’ and end the anion name with ‘-ide’. For acidic
compounds, start with ‘hydro-‘, end the anion with ‘-ic’ and add ‘acid’.
