input: OPTIONS:
- stomach
- ovum
- umbilical cord
- placenta Now, answer this question: Q: The marsupial embryo is nourished inside the uterus with food from a yolk sac instead of through a what? A:
A:
output: placenta

Q: What type of science is the study of matter and energy and includes chemistry and physics? A:

OPTIONS:
- biology
- Earth science
- genetics
- physical science

Answer: physical science

Problem: OPTIONS:
- bronchi
- ganglion
- cilia
- alveoli
Q: Q: What are the tiny sacs in the lungs where gas exchange takes place? A:
Answer: alveoli

Problem:OPTIONS:
- m. Type
- i.g - type
- k. - type
- n-type

Q: Silicon with an element that gives it extra electrons is which type of semiconductor? A:
****
A: n-type

Q: What is the term for a system maintaining a stable internal environment in a changeable external environment? A:
OPTIONS:
- Pregnant
- fetus
- hypothesis
- homeostasis
homeostasis

Q: Bacterial stis can be cured with what? A:
OPTIONS:
- pesticides
- antioxidants
- antiviral drugs
- antibiotics

Answer:
antibiotics