Me! what is one common cause of farsightedness? an iris that cannot contract an eyeball that is too long a cornea that is too curved a cornea that is not curved enough

a cornea that isnt curved enough is the answer

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

r=rho l/a where a is the area, l is the length and rho is resistivity so the greater the area the lesser the resistance thats why the earth pin is thicker bcos current follow the shortest path, so less resistive .