Answer:
2 and 4 if its more than one answerd and if not 2
Explanation:
brainleist would be nice
Answer:
A radio telescope is simply a telescope that is designed to receive radio waves from space.
radio telescopes helps to study naturally occurring radio light from stars, galaxies, black holes, and other astronomical objects. We can also use them to transmit and reflect radio light off of planetary bodies in our solar system.
Answer:
it depends upon a his body which antigen is present
Explanation:
it depends on that person not on their parents