Problem:OPTIONS:
- flow of electrons
- fault movement
- heat energy
- Energy.
- volcanos
- magma
- Movement
- lava

You are presented with the quiz "what are responsible for earthquakes?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "faulting of rock in Earth 's crust causes earthquakes" and "earthquakes are caused by fault movement". So, what's the best answer to the question?
****
A: fault movement

Problem:OPTIONS:
- produce offspring
- ejaculated during reproduction
- implanted and swabbed
- allow growth
- mate with females
- implanted in the uterus
- implanted in the cheek
- more abundant

You are presented with the quiz "Sperm had to swim from male to female reproductive organs to be what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sperm had to swim from male to female reproductive organs for fertilization" and "if fertilized, the egg implants itself in the uterus". So, what's the best answer to the question?
****
A: implanted in the uterus

Problem:OPTIONS:
- trees
- vegetation
- evergeeen
- more abundant
- it needs them
- graptolites
- Leeuwenhoek
- cacti

You are presented with the quiz "What trees have woody trunks?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most modern gymnosperms are trees with woody trunks" and "gymnosperms are the plants that are known as evergreens". So, what's the best answer to the question?
****
A: evergeeen

Problem:OPTIONS:
- fertile
- white
- unisexual
- orchids
- Most plants
- ferns
- allow growth
- bushes

You are presented with the quiz "What gametophytes produce eggs inside the ovaries of flowers?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "female gametophytes produce eggs inside the ovaries of flowers" and "female gametophytes remain unisexual". So, what's the best answer to the question?
****
A:
unisexual