How do the land structures of Iceland confirm seafloor spreading? By the use of the sonar, Hess was able to map the ocean floor and discovered the mid-Atlantic ridge (mid-ocean ridge). He also found out that the temperature near to the mid-Atlantic ridge was warmer than the surface away from it. What is the evidence […]
Where do most echinoderms live in the ocean?
Where do most echinoderms live in the ocean? reefs Why are echinoderms found only in the sea? This phylum exists exclusively in the sea, and cannot be found on land or in fresh water. The water vascular system within the body of the animal is also filled with sea water. By expanding and contracting chambers […]
What causes a tornado to touchdown?
What causes a tornado to touchdown? Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms. The warm air rises through the colder air, causing an updraft. When it touches the ground, it becomes a tornado. How do you know if […]
What size SIM does an iPhone 4 use?
What size SIM does an iPhone 4 use? Micro Can I put an international SIM card in my iPhone? It’s completely possible to use international SIM cards with iPhones. Depending on your travel plans, an international SIM card can be a convenient, cost-effective option. Which SIM can be used worldwide? Use a WorldSIM global SIM […]
Do earphones magnet?
Do earphones magnet? The vast majority of headphones use magnets in their drivers. Headphone drivers are the transducer elements that effectively convert audio signals (electrical energy) into sound waves (mechanical wave energy). Are magnet earphones safe? Yes, magnetic headphones are safe. Intense magnetic fields could kill someone but, for instance, we can’t even build a […]
How does fatty acid structure compare to carbohydrate structure?
How does fatty acid structure compare to carbohydrate structure? Chemical composition and structure: Carbohydrates are polymers of monosaccharides, which are polyols (many OH groups) with an aldehyde or ketone functional group. Fats are esters of fatty acids and glycerol. Most carbohydrates are hydrophilic, smaller ones are soluble in water. Fats are hydrophobic. What is the […]
Why does my seatbelt light keep flashing?
Why does my seatbelt light keep flashing? When you start the engine, the seat belt light will usually flash for a few seconds even if the seat belt is already secured. Sometimes, the seatbelt switch can get stuck or broken and the light won’t turn off. Clean out the buckle or replace it, if necessary, […]
How do cnidarians eat and excrete waste?
How do cnidarians eat and excrete waste? Cnidarians take in food through their mouths, which is then digested in the coelenteron. Nutrients are then passed to other areas of the body for use, and waste products are expelled either through the mouth or through surface cells via water circulation. Where do Cnidaria eat? Most cnidarians […]
Did Heath Ledger star in Neighbours?
Did Heath Ledger star in Neighbours? Heath Ledger The main character on the show, Sally Fletcher, actually lost her virginity to Scott in the back of his van. Ledger died in 2008 from an accidental overdose. Was Heath Ledger in Neighbours or home and away? In 1997, Heath Ledger famously played bad boy Scott Irwin […]