You are presented with the quiz "A delta is formed by "   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adelta is formed by deposition of sediment at the mouth of a river by water fanning out" and "erosion is responsible for wearing down exposed places and depositing sediment in level places".   So, what's the best answer to the question?
OPTIONS:
- erosion
- motion
- plate shifts
- flooding
- loose soil
- Earthworms
- compression
- gravity
erosion
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You are presented with the quiz "If an object is made of metal, what does it always share of metal?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if an object is made of a material then that object has the properties of that material" and "metals are extremely versatile materials".   So, what's the best answer to the question?
OPTIONS:
- size
- energy
- kinetic energy
- Energy.
- heat energy
- shape
- properties
- friendship
properties
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You are presented with the quiz "What does the gravitational pull of the moon cause?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "the gravitational pull of the Moon on Earth 's oceans causes the tides" and "rivers drain into the Pacific Ocean".   So, what's the best answer to the question?
OPTIONS:
- earth's rotation
- energy of moving objects
- tides in the Pacific
- to move people
- river beds
- the Great Barrier Reef
- Plant growth is reduced
- gravitational pull of earth
tides in the Pacific
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You are presented with the quiz "What cause disease in hosts?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fungi have special structures for penetrating a host" and "bacteria, fungi and viruses invade the host and cause disease".   So, what's the best answer to the question?
OPTIONS:
- insects
- Allergies
- Pesticides
- cancer
- water
- colds
- animals
- bacteria

bacteria
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