What places should be protected?

Why aren't there any mammals bigger than a blue whale? What tree tools are typically used to identify hazards? What is the animal that extinct from the UAE during 1960s and then survive by the reintroductions programmes? Do thylacine hunt in the morning or night? What medical conditions cause a person to stay cold all the time? Are sailfish endangered species? Why are tigers in danger and what can you do to protect them? How dangerous is gangrene? What is the big three most valuable marine resources? Only nonliving things are radioactive? What is a word when something is innocent but dangerous? What does hay fever feel like? What has become extinct because of humans? What are small red worms that constantly swim and make figure eights they are approximately 14 of an inch in length and seem to have taken over my pool How to get rid of them? Is dionaea muscipula an endangered plant? What predators have been after Tasmanian tigers and how did they exscape? WHAT YEAR DID THE GULF OIL SPILL END? Can you sell legally taken rhino horn? Why is phylogenetic diversity important when making conservation decisions? What year did the blue pike became extinct?