Question: Q: The structure of the boeing 787 has been described as essentially one giant macromolecule, where everything is fastened through cross-linked chemical bonds reinforced with this? A:
OPTIONS:
- nitrogen fiber
- non-covalent interaction
- metal-metal bonds
- carbon fiber
Answer: carbon fiber

input with options: Q: All three axes are established before the zygote begins to undergo what? A:
OPTIONS:
- cloning
- birth
- twinning
- cleavage
output: cleavage

Q: Q: Like mammals and birds, and unlike other reptiles, crocodiles have how many chambers in their heart? A:

OPTIONS:
- one
- six
- two
- four

A: four

input: OPTIONS:
- root flap
- tip cap
- root hinge
- root cap Now, answer this question: Q: What is the growing root tip protected by? A:
A:
output: root cap

Q: Because conifers carry both male and female sporophylls on the same mature sporophyte, they are considered what type of plant? A:

OPTIONS:
- siliceous
- bioecious
- dioecious
- monoecious

Answer: monoecious

Q: Q: The force exerted by a diving board is conservative, provided the internal friction is this? A:

OPTIONS:
- static
- intrinsic
- significant
- negligible

A:
negligible