Atie rod used to pull a trailer with a truck is estimated to carry a steady load of 50,000 n. it is shaped as a rod of circular cross section with a diameter of 40 mm. the design needs a factor of safety of 2.5, while yielding is the failure criterion. select a suitable material for the tie rod from the table of aisi steels, knowing that the stronger the material, the more expensive it is to purchase and process it.

the correct answer is c.stops after infancy and childhood.

myelin is the substance of the central nervous system (cns) that insulates nerve cell axons to increase the speed at which nerve impulse travels. myelination is a process of myelin formation. this process occurs postnatally, begins in the embryo during the midst of early development and finishes after birth.

answer:

okay

explanation:

answer:

i answer later k

explanation: