Q: Fact: plants are a source of oxygen through photosynthesis
Question: What is a source of oxygen through photosynthesis?

A: sunflowers

Q: Fact: pollination requires pollinating animals
Question: A hummingbird will be useful to which of these things in procreation?

A: cherry tree

Q: Fact: a desert environment is dry
Question: which one of these places would a person have the least need for a clothes dryer?

A: in the hot desert

Q: Fact: Earth orbiting the Sun causes seasons to change
Question: Why would it be summer one day and fall another day?

A:
the earth's position compared to the sun has shifted