Which substance partical has negligible massand travels around outsidethe nucleus

what best describes physical development during adolescence is the development of secondary sex characteristics happens at a rate unique to each individual.

explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length

a skateboard rolling across the street - apex

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.