Answer:
hydrogen and helium
Explanation:
Jupiter, Saturn, Uranus, and Neptune are made up hydrogen and helium gases and called gas giants of solar system.
Uranus and Neptune also consist of more ices and methane in comparison to Jupiter and Saturn.
Jupiter is the largest planet in the solar system and also have rings around it consist of rocks.
Hence, the correct answer is hydrogen and helium.
It is to get a better accuracy
It is definitely not a primary source: this would be a book itself.
Now, is it a tertiary source? I don't think so: the author of the review should have read the book and should only be referring to this book in the review.
I think it's a secondary source.
Correct answer choice is:
<h2>D. All of these.</h2><h3>Explanation:</h3>
Taxonomy is a branch of the science of describing and identifying groups of biological bodies on the principle of distributed features. Organisms are classified collectively into taxa and certain groups are assigned a taxonomic rank; collections of an addressed rank can be aggregated to make a super-group of higher rank, thus forming a taxonomic regime.
