Answer:
Radio telescopes, telescopes detecting infrared radiation, gamma rays, and X-rays and space-based telescopes are essential in modern astronomy.
Answer:
you didnt put the choices but a possible answer could be canada or Australia or something like that idk
Answer: Cold chilling frosty
Explanation:
I'd guess b on this one. I don't know the definition of watershed, but the amazon is a pretty big expanse of water "stretching" a long way (albeit that water doesn't stretch).
Answer:
pacific
Explanation:
because pacific is a wide ocean
