Q: They had demonstrated that particles smaller than bacteria cause what? Read this paragraph and choose the correct option from the provided answers: Viruses are so small that they can be seen only with an electron microscope. Before electron microscopes were invented, scientists knew viruses must exist. How did they know? They had demonstrated that particles smaller than bacteria cause disease. Choices: - blood - flight - damage - disease A:
disease
------
Q: What is the process called in which a magnet loses its magnetic properties? Read this paragraph and choose the correct option from the provided answers: If you stroke an iron nail with a bar magnet, the nail will become a permanent (or at least long-lasting) magnet. Its magnetic domains will remain aligned even after you remove it from the magnetic field of the bar magnet. Permanent magnets can be demagnetized, however, if they are dropped or heated to high temperatures. These actions move the magnetic domains out of alignment. Choices: - polarization - vectorization - diffusion - demagnetization A:
demagnetization
------
Q: What is damaged in the inner ear by loud sounds that cause hearing loss? Read this paragraph and choose the correct option from the provided answers: Loud sounds can cause hearing loss by damaging hair cells in the inner ear. The louder the sounds are, the less exposure is needed to cause hearing loss. Choices: - tympanic membrane - ear drum - hammer and anvil - hair cells A:
hair cells
------
Q: What is each half of the cerebrum called? Read this paragraph and choose the correct option from the provided answers: The cerebrum is divided into a right and left half ( Figure above ). Each half of the cerebrum is called a hemisphere. The two hemispheres are connected by a thick bundle of axons called the corpus callosum . It lies deep inside the brain and carries messages back and forth between the two hemispheres. Choices: - demisphere - a describe - a biplane - a hemisphere A:
a hemisphere
------