Q: Answer the following question given this paragraph: 5.2 Drag Forces 5. Athletes such as swimmers and bicyclists wear body suits in competition. Formulate a list of pros and cons of such suits. Two expressions were used for the drag force experienced by a moving object in a liquid. One depended upon the speed, while the other was proportional to the square of the speed. In which types of motion would each of these expressions be more applicable than the other one? 7. As cars travel, oil and gasoline leaks onto the road surface. If a light rain falls, what does this do to the control of the car? Does a heavy rain make any difference? 8. Why can a squirrel jump from a tree branch to the ground and run away undamaged, while a human could break a bone in such a fall?. Q: Athletes such as swimmers and bicyclists wear body suits in competition to minimize what forces? A:

OPTIONS:
- natural forces
- rolling forces
- activity forces
- drag forces

A: drag forces

input: OPTIONS:
- hymenium
- dikaryotic
- hyphae
- sporangium Now, answer this question: Answer the following question given this paragraph: A general plant life cycle is represented by the diagram in Figure below . From the figure, you can see that the diploid sporophyte has a structure called a sporangium (plural, sporangia) that undergoes meiosis to form haploid spores. A spore develops into a haploid gametophyte. The gametophyte has male or female reproductive organs that undergo mitosis to form haploid gametes (sperm or eggs). Fertilization of gametes produces a diploid zygote. The zygote grows and develops into a mature sporophyte, and the cycle repeats. Q: What is the structure in a diploid sporophyte that undergoes meiosis to form haploid spores? A:
A:
output: sporangium

Answer the following question given this paragraph: Digestion of Carbohydrates Carbohydrate digestion begins in the mouth (Figure 20.5 "The Principal Events and Sites of Carbohydrate Digestion"), where salivary -amylase attacks the -glycosidic linkages in starch, the main carbohydrate ingested by humans. Cleavage of the glycosidic linkages produces a mixture of dextrins, maltose, and glucose. (For more information about carbohydrates, see Chapter 16 "Carbohydrates". ) The -amylase mixed into the food remains active as the food passes through the esophagus, but it is rapidly inactivated in the acidic environment of the stomach. Figure 20.5 The Principal Events and Sites of Carbohydrate Digestion. Q: Where does carbohydrate digestion begin in the body? A:

OPTIONS:
- stomach
- intestines
- throat
- mouth

Answer: mouth

Problem: OPTIONS:
- none
- two
- three
- one
Q: Answer the following question given this paragraph: When gametes unite during fertilization, the resulting zygote inherits two alleles for each gene. One allele comes from each parent. Q: How many alleles comes from each parent? A:
Answer: one

Problem:OPTIONS:
- swimmers
- cycle - feeders
- flagellators
- filter-feeders

Answer the following question given this paragraph: Some animal-like protists use their "tails" to eat. These protists are called filter-feeders . They acquire nutrients by constantly whipping their tails, called flagellum , back and forth. The whipping of the flagellum creates a current that brings food into the protist. Q: Protists which use their tails to eat are called what? A:
****
A: filter-feeders

Problem:OPTIONS:
- theories
- measurements
- plants
- models

Answer the following question given this paragraph: Scientists use models to help them understand and explain ideas. Models explain objects or systems in a more simple way. Models often only show only a part of a system. The real situation is more complicated. Models help scientists to make predictions about complex systems. Some models are something that you can see or touch. Other types of models use an idea or numbers. Each type is useful in certain ways. Q: What do scientists use to help explain objects or systems in simpler ways? A:
****
A:
models