What is a natural reserve?

In this department the food safety and inspection service food and meat processing plants to make sure the products are safe for consumers? What three particles make up a single nucleotide? What is the full orbital diagram of He? If there were 20 time zones how wide would each time zone be? Why is the pigment found in the vacuole of beetroot cells does not leak from the cell? How do you describe nature? What are the scientific explanations for how matter cycles and energy flows through the biosphere? What made LLBean so famous? How do volcanoes form at constructive plate margins? Which is an aspect of the scientific attitude? Is forming ozone from oxygen a chemical change? What is the history of neon? Are the north-south globe lines always the same distance apart? How do you make simple composite material? Do all cells have a smooth ER? Two organelles that are believed to be remnants of unicellular bacteria are? If you could witness one event past, present, or future, what would it be? If 1 hectare is 100m x 100m then why isn't 1.5 hectare 150m by 150m? Is the Atlantic Ocean getting bigger or smaller? How do you find mass with only volume?