Which atmospheric later is where earths northern and southern lights occur

thermosphere

The aurora (Northern Lights and Southern Lights) only occur in the Thermosphere

A Thermosphere is a layer of the earths atmosphere and the thermospere

is above the mesosphere and below the exosphere .

answer by yourhope:

hi! : )

in which structure in the nucleus are ribosomes made?

b) nucleolus!

: )

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers