Q: Covalent bond energies can be used to estimate the enthalpy changes of what? A:

OPTIONS:
- crystals reactions
- Pressure reactions
- liquid reactions
- chemical reactions

Answer: chemical reactions

Problem: OPTIONS:
- liberation
- restoration
- modification
- conservation
Q: Q: How can we reduce use of energy resources? A:
Answer: conservation

Problem:OPTIONS:
- specializaiton
- differentiation
- pattern
- reproduction

Q: The three types of mammals are characterized by their method of what? A:
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A: reproduction

Q: Untreated chlamydia can lead to pelvic inflammatory disease, which affects what organ system? A:
OPTIONS:
- endocrine system
- nervous system
- circulatory system
- female reproductive system
female reproductive system

Q: The reproductive tissues of male and female humans develop similarly in utero until a low level of the hormone testosterone is released from male what? A:
OPTIONS:
- kidneys
- liver
- bladder
- gonads

Answer: gonads

input with options: Q: In the case of the thyroid hormone pathway, thyroid hormone itself carries out what kind of feedback? A:
OPTIONS:
- positive
- continued
- effective
- negative
output:
negative