Wi-Fi is a family of wireless networking technologies, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access. Wi‑Fi is a trademark of the non-profit Wi-Fi Alliance, which restricts the use of the term Wi-Fi Certified to products that successfully complete interoperability certification testing. As of 2010, the Wi-Fi Alliance consisted of more than 375 companies from around the world. As of 2009, Wi-Fi-integrated circuit chips shipped approximately 580 million units yearly. Devices that can use Wi-Fi technologies include desktops and laptops, smartphones and tablets, smart TVs, printers, digital audio players, digital cameras, cars and drones.
Answer:
To seclude and divide from another country or area.
Explanation:
Rivers, mountain ranges, oceans, and deserts can all serve as physical boundaries. Many times, political boundaries between countries or states form along physical boundaries. For example, the boundary between France and Spain follows the peaks of the Pyrenees Mountains, while the Alps separate France from Italy.
Answer:
George Perkins Marsh is the correct answer.
Explanation:
George Perkins Marsh was American philologist and diplomat is believed to be the first environmentalist. He recognised the irreversible impact of human actions on the Earth. It is considered to be a precursor to the sustainability concept. He also wrote the book Man and Nature. His book was one of the earliest work of ecology. He argued that humans are secured as long as man manages his resources properly and keeps them in good condition as resource scarcity can affect environmental equilibrium.
