Describe a significant social difference between the Eastern Block and Western European slates during the Cold War

Manual pipetting creates a musculoskeletal load on the neck, shoulders, and upper limbs and the type of injuries that this can lead to is called repetitive stress injuries.

First of all you would die.   do not try this at home but back to the question.   there are six parts of the sun.   from the outside to the inside: corona, chromoshpere, photosphere, convective zone, radiative zone, and the core.   then use the dictionary or reliable sources such as wikipedia to find out what they do.   good luck.

The answer to your question is c