Q: The large hadron collider is the biggest type of what invention, which boosts particles to high energies? Read this paragraph and choose the correct option from the provided answers: Chemistry in Everyday Life CERN Particle Accelerator Located near Geneva, the CERN ("Conseil Europeen pour la Recherche Nucleaire," or European Council for Nuclear Research) Laboratory is the world's premier center for the investigations of the fundamental particles that make up matter. It contains the 27-kilometer (17 mile) long, circular Large Hadron Collider (LHC), the largest particle accelerator in the world (Figure 21.13). In the LHC, particles are boosted to high energies and are then made to collide with each other or with stationary targets at nearly the speed of light. Superconducting electromagnets are used to produce a strong magnetic field that guides the particles around the ring. Specialized, purpose-built detectors observe and record the results of these collisions, which are then analyzed by CERN scientists using powerful computers. Choices: - electron microscope - mass spectrometer - nuclear reactor - particle accelerator A:
particle accelerator
------
Q: What's the term for a cyclic hydrocarbon with a carbon-carbon triple bond? Read this paragraph and choose the correct option from the provided answers: Larger cycloalkanes also exist, but are less common. Cyclic hydrocarbons may also be unsaturated. A cycloalkene is a cyclic hydrocarbon with at least one carbon-carbon double bond. A cycloalkyne is a cyclic hydrocarbon with at least one carbon-carbon triple bond. Shown below are the simplified structural formulas for cyclohexene and cyclooctyne. Choices: - bialkyne - tricycloalkyne - bicycloalykne - cycloalkyne A:
cycloalkyne
------
Q: Sutures, gomphoses, and syndesmoses are types of what, which are found where adjacent bones are strongly united by connective tissue? Read this paragraph and choose the correct option from the provided answers: 9.2 Fibrous Joints Fibrous joints are where adjacent bones are strongly united by fibrous connective tissue. The gap filled by connective tissue may be narrow or wide. The three types of fibrous joints are sutures, gomphoses, and syndesmoses. A suture is the narrow fibrous joint that unites most bones of the skull. At a gomphosis, the root of a tooth is anchored across a narrow gap by periodontal ligaments to the walls of its socket in the bony jaw. A syndesmosis is the type of fibrous joint found between parallel bones. The gap between the bones may be wide and filled with a fibrous interosseous membrane, or it may narrow with ligaments spanning between the bones. Syndesmoses are found between the bones of the forearm (radius and ulna) and the leg (tibia and fibula). Fibrous joints strongly unite adjacent bones and thus serve to provide protection for internal organs, strength to body regions, or weight-bearing stability. Choices: - cartilage - metallic joints - ligaments - fibrous joints A:
fibrous joints
------
Q: The chloroplast integrates the two stages of what process? Read this paragraph and choose the correct option from the provided answers: Choices: - breathing - defacation - polarization - photosynthesis A:
photosynthesis
------