Q: In an atom, what is determined by electron distribution in shells? A:

OPTIONS:
- covalence
- ionic bonds
- electromagnetism
- chemical behavior

Answer: chemical behavior

Problem: OPTIONS:
- filter and a cathode
- vortex and a cathode
- anode and a vortex
- anode and a cathode
Q: Q: What are the two main components in a battery? A:
Answer: anode and a cathode

Problem:OPTIONS:
- absorption
- destruction
- diffusion
- diffraction

Q: What is it called when waves spread out as they travel around obstacles or through openings in obstacles? A:
****
A: diffraction

Q: What are the two groups of therian mammals? A:
OPTIONS:
- felines and canines
- monotremes and mollusks
- dolphins and whales
- placental mammals and marsupials
placental mammals and marsupials

Q: What are substances that provide hydrogen ions (h+) and lower ph? A:
OPTIONS:
- proteins
- nutrients
- bases
- acids

Answer: acids

input with options: Q: The coccyx, or tailbone, results from the fusion of four small what? A:
OPTIONS:
- rib vertebrae
- arsine vertebrae
- alangulam vertebrae
- coccygeal vertebrae
output:
coccygeal vertebrae