fact and question: the sun is the source of energy for life on Earth
Question: energy is required for survival, and this is primarily delivered by

What's the answer?

answer: the closest star to our planet

fact and question: seed dispersal has a positive impact on a plant
Question: Birds carrying away fruit has what kind of impact on the plant

What's the answer?

answer: positive

fact and question: a simple machine requires mechanical energy to function
Question: A mechanical device requires 420 J of work to do 230 J of work in lifting a crate. What is the efficiency of the device?

What's the answer?

answer: 55%

fact and question: many vehicles emit pollution into the air
Question: many vehicles emitting pollution into the air may occur when

What's the answer?

answer:
EMT transports panting patient