NLN PAX EXAM PREP: Science (A+ Guaranteed)

1 kilogram kg of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat energy. The final temperatures of X and Y are 15°C and 20°C, respectively. Compared to X, Y must have a lower correct answers specific heat A method for determining the blood alcohol content of a subject is to correct answers use a Breathalyzer Gaurd cells which can be found in the leaves of plants are most closely associated with which of these processes? correct answers Evaporation of water from the plant If the medulla of the brain in a human was damaged, which of these conditions would most likely result? correct answers Difficulty in breathing In ecological succession, the first living thing to colonize a hitherto barren area is called a correct answers pioneer organism Night blindness in humans is caused by a lack of correct answers Vitamin A To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If unavailable, the next most effective method to sterilize the instrument would be correct answers Boiling it in water for 15 In varieties of matter, the term heterogeneous may be applied to correct answers mixtures, but not elements or compounds Heat energy is absorbed in which of these phase changes? correct answers Br2 (l) - Br2 (g) Iodized salt is used to prevent a human condition known as correct answers groiter Periodontitis is an inflammatory condition of the correct answers gum tissue that surrounds the neck of each tooth The process of nuclear cell division in the cell reproduction of plants differs from mammals. A major difference is that correct answers homologous chromosomes are paired Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of correct answers protozoans Which of these conditions is associated with smoking? correct answers Emphysema Which of these hydrocarbons is a member of the benzene family? correct answers Toluene