What are 4 things the atmosphere? The atmosphere, or air, is made up of nitrogen, oxygen, argon, carbon dioxide, water vapor and other small amounts…
Which country causes the most acid rain? Acid rain is responsible for severe environmental destruction across the world and occurs most commonly in the North…
How did frogs exist? The huge diversity of frogs we see today is mainly a consequence of the asteroid strike that killed off the dinosaurs,…
What happens when monocytes enter tissue? Monocytes exit to the blood, and can enter tissues under inflammatory conditions. They give rise to subsets of macrophages…
How have plants adapted to the savanna? Well, plants in the savanna have developed defenses for this. Many plants have roots that grow deep in…
What were gramophones made of? The first records were made of glass. They were then made using zinc and eventually plastic. A spiral groove with…
How much does it cost for one person to be executed? Recent Cost Studies Death penalty case costs were counted through to execution (median cost…
Is it bad to hire a maid? Hiring a maid or a house cleaning service may seem like the ultimate luxury for many of us.…
How did the cold war extend into outer space? The Cold War Extends to Space On October 4, 1957, a Soviet R-7 intercontinental ballistic missile…
Is deionised water dangerous to drink? The Risks of Deionized Water Due to the fact that deionized water is lacking in ions, it can absorb…
What transmits impulses in the spinal cord? Spinal Cord Sensory neurons transmit nerve impulses from sense organs (eyes, ears, nose, tongue and touch) to the…