You are presented with the quiz "How does Zinc usually leave the body?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "excretion is the process of removing wastes and excess water from the body" and "normally, zinc leaves the body in wastes". So, what's the best answer to the question?

OPTIONS:
- irradiation
- A drug.
- burning coal
- Excretion
- physical removal
- vomit
- an ion
- evaporation

Answer: Excretion

You are presented with the quiz "Protein is an essential nutrient for what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "all animals are heterotrophs" and "proteins are an essential nutrient for heterotrophs ". So, what's the best answer to the question?

OPTIONS:
- Animals
- Algae
- Carbohydrates
- health
- recovery
- athletes
- humans
- Plants

Answer: Animals

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?

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

Answer: evergeeen

You are presented with the quiz "Where does water go when it floods?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when a body of water receives more water than it can hold , a flood occurs" and "when flooding occurs, water seeks the lowest level". So, what's the best answer to the question?

OPTIONS:
- To another location like underground
- underground systems
- Inches or fractions of inches.
- enormous damage to homes
- it flows to a lower level
- sedimentary rocks
- plankton and nonliving organic
- near the shoreline

Answer:
it flows to a lower level