Luhman 16 and wise 0720 are brown dwarfs, also known as failed stars, and are some of the new closest neighbors to earth, but were only discovered in the last decade. why do you think they took so long to be discovered?

Make them both to where they have the denominator of 18that makes 3/2 equal 27/18 and 1/9 equal 2/18so now you have  27/18x+5=2/18subtract 5 from the other sideso now you have 27/18x+2/18-5then subtract 2/18 from 27/18 to get 25/18x=-5then divide 25/18 by -5 and your answer will be  -5/18

Shania is trying to determine the oldest geologic unit on this map and the reason to why is she unable to do so is that  the units are all the same age.. when there is the same age, there will be no oldest geologic unit and that i cannot be credible.

The sunlight shines uv radiation on earth,a microwave oven radiates waves on food