Q: Answer the following question given this paragraph: Archimedes' law explains why some objects float in fluids even though they are very heavy. It all depends on how much fluid they displace. The cruise ship pictured in the opening image is extremely heavy, yet it stays afloat. If a steel ball with the same weight as the ship were placed in water, it would sink to the bottom. This is modeled in the Figure below . The reason the ball sinks is that its shape is very compact, so it displaces relatively little water. The volume of water displaced by the steel ball weighs less than the ball itself, so the buoyant force is not as great as the force of gravity pulling down on the ball. Thus, the ball sinks. Q: What law explains why some objects float and some sink. Choices: - newton's law - montenegrins ' law - flanges ' law - archimedes' law A:
A: archimedes' law

Q: Answer the following question given this paragraph: A point mutation is a change in a single nucleotide in DNA. This type of mutation is usually less serious than a chromosomal alteration. An example of a point mutation is a mutation that changes the codon UUU to the codon UCU. Point mutations can be silent, missense, or nonsense mutations, as shown in Table below . The effects of point mutations depend on how they change the genetic code. You can watch an animation about nonsense mutations at this link: http://www. biostudio. com/d_%20Nonsense%20Suppression%20I%20Nonsense%20Mutation. htm . Q: What is the name for a change in a single nucleotide in dna? Choices: - adaptation - spontaneous mutation - cell regeneration - point mutation A:
A: point mutation

Q: Answer the following question given this paragraph: Sweating regulates body temperature. The composition of the sweat determines whether body odor is a byproduct of sweating. Visit this link (http://openstaxcollege. org/l/sweating) to learn more about sweating and body odor. Q: What is the beneficial function to the body of sweating? Choices: - pheromone release - diuretic effect - calorie loss - regulating body temperature A:
A: regulating body temperature

Q: Answer the following question given this paragraph: Sphenodontia Sphenodontia ("wedge tooth") arose in the Mesozoic era and includes only one living genus, Tuatara, comprising two species that are found in New Zealand (Figure 29.26). Tuataras measure up to 80 centimeters and weigh about 1 kilogram. Although quite lizard-like in gross appearance, several unique features of the skull and jaws clearly define them and distinguish the group from the squamates. Q: Sphenodontia sphenodontia ("wedge tooth") arose in the mesozoic era and includes only one of what? Choices: - outside genus - traveling genus - inner genus - living genus A:
A: living genus