Answer:
Astatine and chlorine are halogens only
Nitrogen and sulphur are non metals only
Krypton (Kr) is noble gas only
Answer: One advantage is that it provides habitats so animals can live and have their shelter. And one disadvantage is that it can be easily damaged by storm waves Areas have to be zoned off from public while it grows Protection is limited to small area.
Explanation: Hope it helps :)
The Sierra Madre del Sur range and the Sierra Madre Occidental. The Sierra Madre Occidental is a major mountain range system of the North American Cordillera, that runs northwest–southeast through Northwestern and Western Mexico, and along the Gulf of California. <span>The Sierra Madre del Sur joins with the </span>Eje Volcánico Transversal<span> (Trans-Mexican Volcanic Belt) of central Mexico in northern Oaxaca.
Sites: wiki </span>
The correct answer is what to produce. Because of scarce resources, every economy must make a basic choice of what goods and services to produce in other to create maximum utility.
