input: OPTIONS:
- the cloud cover
- the dioxide
- the wind cycle
- the atmosphere Now, answer this question: Answer the following question given this paragraph: The atmosphere is a thin layer of gas that surrounds Earth. Climatologists study the atmosphere. These scientists work to understand the climate as it is now. They also study how climate will change in response to global warming. Q: What is a thin layer of gas that surrounds earth called? A:
A:
output: the atmosphere

Answer the following question given this paragraph: Symbiosis describes a close and long-term interaction between different species. Q: What describes a close and long-term interaction between different species? A:

OPTIONS:
- endosymbiosis
- dermatitis
- parasitic
- symbiosis

Answer: symbiosis

Problem: OPTIONS:
- Friction
- Magnetic force
- Tension
- gravity
Q: Answer the following question given this paragraph: Q: The force that pulls objects toward the earth is what? A:
Answer: gravity

Problem:OPTIONS:
- abnormal
- benign
- toxic
- malignant

Answer the following question given this paragraph: Cancer is the uncontrolled growth of abnormal cells in the body. Cancerous cells are also called malignant cells. There are over 200 different known cancers that afflict humans. Q: Characterized by uncontrolled growth, cancerous cells are also called what? A:
****
A: malignant

Answer the following question given this paragraph: Cardiac muscle is also an involuntary muscle, found only in the heart. The cardiac muscle fibers all contract together, generating enough force to push blood throughout the body. What would happen if this muscle was under conscious or voluntary control?. Q: What involuntary muscle is found only in the heart? A:
OPTIONS:
- physiological muscle
- respiratory muscle
- digestive muscle
- cardiac muscle
cardiac muscle

Answer the following question given this paragraph: Embryonic Development (Weeks 48). Most organs develop in the embryo during weeks 4 through 8. If the embryo is exposed to toxins during this period, the effects are likely to be very damaging. Can you explain why? (Note: the drawings of the embryos are not to scale. ). Q: Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period? A:
OPTIONS:
- samples
- faith
- pain
- organs

Answer:
organs