With this worksheet, your student will learn all about how the tides work, and he will be able to practice graphing some data on high tide and low tide activity. Download Worksheet.
Network interface device. In telecommunications, a network interface device (NID; also known by several other names) is a device that serves as the demarcation point between the carrier's local loop and the customer's premises wiring.
Biological functions of nitric oxide. This article is about the biological functions of nitric oxide. For the chemical compound in a general sense, see Nitric oxide. The gas nitric oxide plays a wide variety of roles in biological organisms.