Problem:OPTIONS:
- in warmer waters
- on the ocean floor
- along reefs
- along coasts

Answer the following question given this paragraph: The oceans are most polluted along coasts. Why do you think that's the case? Of course, it's because most pollution enters the oceans from the land. Runoff and rivers carry the majority of pollution into the ocean. Many cities dump their wastewater , water mixed with waste, directly into coastal waters. In some parts of the world, raw sewage and trash may be thrown into the water ( Figure below ). Coastal water may become so polluted that people get sick if they swim in it or eat seafood from it. The polluted water may also kill fish and other ocean life. Q: Where are the oceans most polluted? A:
****
A: along coasts

Answer the following question given this paragraph: Pulmonary circulation is the part of the circulatory system that carries blood between the heart and lungs (the term pulmonary means "of the lungs"). It is illustrated in Figure below . Deoxygenated blood leaves the right ventricle through pulmonary arteries, which transport it to the lungs. In the lungs, the blood gives up carbon dioxide and picks up oxygen. The oxygenated blood then returns to the left atrium of the heart through pulmonary veins. Q: While in the lungs, blood gives up carbon dioxide and picks up what element before returning to the heart? A:
OPTIONS:
- nitrogen
- methane
- hydrogen
- oxygen
oxygen

Answer the following question given this paragraph: The decay of an unstable isotope to a stable element occurs at a constant rate. This rate is different for each parent-daughter isotope pair. The decay rate is measured in a unit called the half-life. The half-life is the time it takes for half of a given amount of an isotope to decay. For example, the half-life of carbon-14 is 5,730 years. Imagine that you start out with 100 grams of carbon-14. In 5,730 years, half of it decays. This leaves 50 grams of carbon-14. Over the next 5,730 years, half of the remaining amount will decay. Now there are 25 grams of carbon-14. How many grams will there be in another 5,730 years? The figure below graphs the rate of decay of a substance ( Figure below ). Q: The rate at which an unstable isotope decays is measured in a unit known as what? A:
OPTIONS:
- full-life
- staying-life
- half-time
- half-life

Answer: half-life

Question: Answer the following question given this paragraph: The alveoli in the lungs are where gas exchange between the air and blood takes place. Each alveolus is surrounded by a network of capillaries. When you inhale, air in the alveoli has a greater concentration of oxygen than does blood in the capillaries. The difference in oxygen concentration causes oxygen to diffuse from the air into the blood. You can see how this occurs in Figure below . Q: Where in the lungs does gas exchange between the air and blood takes place? A:
OPTIONS:
- ganglion
- left lobe
- bronchial tube
- alveoli
Answer: alveoli

input with options: Answer the following question given this paragraph: When the number of electrons and the number of protons are equal, the object is neutral. Q: When the number of electrons and the number of protons are equal, the object is what? A:
OPTIONS:
- Negative
- Positive
- static
- neutral
output: neutral

Problem: OPTIONS:
- time
- erosion
- weather
- stress
Q: Answer the following question given this paragraph: When plates are pushed or pulled, the rock is subjected to stress. Stress can cause a rock to change shape or to break. When a rock bends without breaking, it folds. When the rock breaks, it fractures. Mountain building and earthquakes are some of the responses rocks have to stress. Q: Mountain building and earthquakes are some of the responses of rocks when subected to what? A:
Answer:
stress