Answer the following question given this paragraph: This equation shows that momentum is directly related to both mass and velocity. An object has greater momentum if it has greater mass, greater velocity, or both. For example, a bowling ball has greater momentum than a softball when both are moving at the same velocity because the bowling ball has greater mass. However, a softball moving at a very high velocity say, 100 miles an hour would have greater momentum than a slow-rolling bowling ball. If an object isn't moving at all, it has no momentum. That's because its velocity is zero, and zero times anything is zero. Q: Momentum is directly related to both mass and? Choices: - mass - intensity - speed - velocity A:
velocity
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Answer the following question given this paragraph: Tuberculosis (TB) is a common and often deadly disease caused by a genus of bacterium called Mycobacterium . Tuberculosis most commonly attacks the lungs but can also affect other parts of the body. TB is a chronic disease, but most people who become infected do not develop the full disease. Symptoms include a cough, which usually contains mucus and coughing up blood. Q: What type of bacteria causes the disease called tuberculosis? Choices: - E. coli - staphylococcus - streptococcus - mycobacterium A:
mycobacterium
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Answer the following question given this paragraph: A molecule of water ( Figure below ) is made of three atoms bonded together. Two of these atoms are hydrogen and one atom is oxygen. The hydrogen ions have a positive electrical charge. The oxygen atom has a negative electrical charge. The hydrogen atoms are located on one side and the oxygen atom on the other. This means that the side with the hydrogen ions has a slightly positive charge. The other side, the side without the hydrogen ions, has a slightly negative charge. The water molecule is a polar molecule . Q: What molecule is made of two hydrogen atoms and one oxygen atom? Choices: - Oxygen - carbohydrate - lipids - water A:
water
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Answer the following question given this paragraph: Living things depend on catalysts to speed up many chemical reactions inside their cells. Catalysts in living things are called enzymes. Enzymes may be extremely effective. A reaction that takes a split second to occur with an enzyme might take billions of years without it!. Q: What speeds up chemical reactions inside cells? Choices: - nucleus - inhibitors - electrodes - catalysts A:
catalysts
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