B, because it's not an advantage for something to be expensive and time consuming
It is D & E. Uranus is Helium & Hydrogen, And it has dark rings
<span>They receive more direct sunlight than other regions.</span>
I’m on that same question
The species is on CITES Appendix II, but its status is poorly known. The IUCN Red-List (2007, www.iucnredlist.org) classified it as Lower Risk/Least Concern