input: OPTIONS:
- chemical
- carbon
- homeostasis
- liquid Now, answer this question: Q: Sublimation and deposition involve direct transitions between solid and gas without going through which state? A:
A:
output: liquid

Q: What organ system consists of the skin, nails and hair? A:

OPTIONS:
- nervous system
- digestive system
- endocrine system
- integumentary system

Answer: integumentary system

Problem: OPTIONS:
- hydrocarbon
- sulfur
- base
- acid
Q: Q: What is the term for an ionic compound that produces positive hydrogen ions when dissolved in water? A:
Answer: acid

Problem:OPTIONS:
- erosion
- volcanoes
- storms
- earthquakes

Q: Stress building up at the same rate over time at a fault causes what phenomenon? A:
****
A: earthquakes

Q: Receptors for what chemical messengers recognize molecules with specific shapes and side groups, and respond only to those that are recognized? A:
OPTIONS:
- acids
- chromosomes
- enzymes
- hormones
hormones

Q: Which branch of biology studies animal behavior? A:
OPTIONS:
- microbiology
- anthropology
- embryology
- ethology

Answer:
ethology