What is the basic purpose of the international space station that will be completed in 2010?
a. it will be the largest artificial satellite.
b. it will direct all global communications.
c. it will be a space laboratory for scientists.
d. it will launch rocket-propelled weapons.

The best and most correct answer among the choices provided by the question is the third choice "It will be a space laboratory for scientists"

The main purpose of the International Space Station is to provide an international laboratory for experiments within the space environment. Which, despite all our technological advances, is nearly impossible to replicate here on Earth.

I hope my answer has come to your help. God bless and have a nice day ahead!