Q: Which members of the food chain break down remains of plants and other organisms when they die? A:
OPTIONS:
- nematodes
- Respiration
- fluxes
- decomposers
decomposers

Q: What is friction that acts on objects that are moving through a fluid? A:
OPTIONS:
- fluid catalyst
- fluid temperature
- mass friction
- fluid friction

Answer: fluid friction

Question: Q: What is responsible for the properties of metals? A:
OPTIONS:
- the metallic properties
- the metallic presence
- the metallic yield
- the metallic bond
Answer: the metallic bond

input with options: Q: The coordinated activities of the legume and the rhizobium bacteria depend on what between the partners? A:
OPTIONS:
- electric signals
- sight signals
- fertilizer signals
- chemical signals
output: chemical signals

Q: Q: The last major ice age took place in which era? A:

OPTIONS:
- miocene
- pliocene
- cenozoic
- pleistocene

A: pleistocene

Q: What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun? A:
OPTIONS:
- the corona
- the protector
- the coma
- the atmosphere
the atmosphere