Problem: OPTIONS:
- chlorophyll
- pesticides
- acids
- hormones
Q: Answer the following question given this paragraph: Q: What controls every aspect of plant growth and development to some degree? A:
Answer: hormones

Problem:OPTIONS:
- bone disease
- physiological disease
- abnormal disease
- cardiovascular disease

Answer the following question given this paragraph: Hypertension, or high blood pressure, can increase the risk of cardiovascular disease. Q: Hypertension, or high blood pressure, can increase the risk of what? A:
****
A: cardiovascular disease

Answer the following question given this paragraph: Halogens have filled valence electron configurations. Halogens tend to form salts with metals. As the free elements, halogens are monatomic. Halogens have appreciable nonmetallic character. Halogens tend to have an oxidation state of 1. Halogens are good reductants. Q: Halogens tend to form salts with what type of element? A:
OPTIONS:
- nonmetals
- metalloids
- man-made
- metals
metals

Answer the following question given this paragraph: The presence of solute particles has the opposite effect on the freezing point of a solution. When a solution freezes, only the solvent particles come together to form a solid phase, and the presence of solute particles interferes with that process. Therefore, for the liquid solvent to freeze, more energy must be removed from the solution, which lowers the temperature. Thus, solutions have lower freezing points than pure solvents do. This phenomenon is called freezing point depression. For every mole of particles in a liter of water, the freezing point decreases by about 1.9C. Both boiling point elevation and freezing point depression have practical uses. For example, solutions of water and ethylene glycol (C2H6O2) are used as coolants in automobile engines because the boiling point of such a solution is greater than 100C, the normal boiling point of water. In winter, salts like NaCl and CaCl2 are sprinkled on the ground to melt ice or keep ice from forming on roads and sidewalks. This is because the solution made by dissolving sodium chloride or calcium chloride in water has a lower freezing point than pure water, so the formation of ice is inhibited. Q: When a solution freezes, only what particles come together to form a solid phase, while the presence of solute particles interferes with that process? A:
OPTIONS:
- pigment
- hydrogen
- diluent
- solvent

Answer: solvent

Question: Answer the following question given this paragraph: Acceleration that does not change in time is called uniform or constant acceleration. The velocity at the beginning of the time interval is called initial velocity, , and the velocity at the end of the time interval is called final velocity, . In a velocity versus time graph for uniform acceleration, the slope of the line is the acceleration. The equation that describes the curve is . Q: The velocity at the beginning of the time interval is called what? A:
OPTIONS:
- growing velocity
- internal velocity
- previous velocity
- initial velocity
Answer: initial velocity

input: OPTIONS:
- weight
- nitrogen
- adaptation
- oxygen Now, answer this question: Answer the following question given this paragraph: Avian Respiration Birds have evolved a respiratory system that enables them to fly. Flying is a high-energy process and requires a lot of oxygen. Furthermore, many birds fly in high altitudes where the concentration of oxygen in low. How did birds evolve a respiratory system that is so unique? Decades of research by paleontologists have shown that birds evolved from therapods, meat-eating dinosaurs (Figure 39.14). In fact, fossil evidence shows that meat-eating dinosaurs that lived more than 100 million years ago had a similar flow-through respiratory system with lungs and air sacs. Archaeopteryx and Xiaotingia, for example, were flying dinosaurs and are believed to be early precursors of birds. Q: Birds have evolved a respiratory system that enables them to fly. flying is a high-energy process and requires a lot of this? A:
A:
output:
oxygen