Large body of water located between the coastline and an island
Large body of water located between the coastline and island(s). Narrow body of water between two larger bodies of water. Small river that runs into a larger river. Land at a low elevation located between two hills or mountains.
Well dumping is a method, waste materials are dumped in open low labs away from the city.
Answer:
Radio telescopes, telescopes detecting infrared radiation, gamma rays, and X-rays and space-based telescopes are essential in modern astronomy.
The answer is A. Hope it helps ^^