Cosmologists are scientists who study stars, galaxies, black holes, and other objects in the universe. in order to study the billions and billions of stars, cosmologists use highly advanced telescopes and create computer models to trace the stars’ motion.

what is one type of limitation that requires cosmologists to use these telescopes?

money
time
the size of the system
ethical concerns

the answer is the size of the system.

Explanation:

Due to the amplitude of the universe, telescopes allow observing distant objects with more detail than with simple sight. favoring the study of the stars and achieving better results and advances in the field of cosmology.

answer; the correct answer is desert plants;

1. is geographic distribution

2 is increasing complexity

3 is transitional forms