Polar regions get less of the sun’s direct rays, they are the coldest climates on Earth. A because , B although , C Howerer , D Consequently / what best word fits in the blank space what makes sense .

And a) oxygen i believe

Kim jong un.yeet jkany leaking in the power plant can directly cause radiation and other bio hazards.brainliest answer pls.

Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist