It is possible to use human hand to estimate angles on the sky. on average, how many degrees are measured between the knuckles of your index and little fingers：

a. 1 degree b. 3 degree c. 6degree d.10degree e.30degree

i believe that if you say you can, you cant and if you say you can't your right. i believe i can do anything i set my mind to. i've applied this with my everyday life. it me get motivated to do stuff.for example, i apply this to do school. if i believe i can finish a whole class in a couple of week's i will be motivated to do the class until i finish it, and if i believe i can't, i will get distracted and do other stuff besides doing my work. it changed me by believing i can accomplish anything i set my mind to.