Q: Q: Light retains its original color under water because what remains the same when light is refracted? A:

OPTIONS:
- wave length
- density
- sound
- frequency

A: frequency

input: OPTIONS:
- affecting systems
- nervous systems
- immune systems
- reproductive systems Now, answer this question: Q: Examples of organ systems in a human include the skeletal, nervous, and what? A:
A:
output: reproductive systems

Q: When we move down a group of elements on the periodic table, what happens to their electronegativity? A:

OPTIONS:
- it increases
- it stays the same
- it doubles
- it decreases

Answer: it decreases

Problem: OPTIONS:
- vesicles
- mitosis
- Testes
- symphysis
Q: Q: A cartilaginous joint where the bones are joined by fibrocartilage is called a what? A:
Answer: symphysis

Problem:OPTIONS:
- annelids
- prokaryotes
- sponges
- cnidarians

Q: What organism is characterized by an incomplete digestive system and a single, tentacled opening? A:
****
A: cnidarians

Problem:OPTIONS:
- stopping
- stimulation
- vibration
- acceleration

Q: Deceleration is the opposite of what? A:
****
A:
acceleration