Q: Fact: the sun transfers solar energy from itself to the Earth through sunlight
Question: the sun transfers solar energy from itself to the Earth through
OPTIONS:
- electricity
- water
- rocks
- sunradiation

A: sunradiation

Q: Fact: wind and rain cause erosion
Question: The face of the sphinx has changed from
OPTIONS:
- wearing away
- boredom
- social media
- being sued

A: wearing away

Q: Fact: as the thickness of an object increases , the resistance to damage of that object will increase
Question: Thicker layers of skin would best suit
OPTIONS:
- a bird
- a scorpion
- a lizard
- a leopard seal

A: a leopard seal

Q: Fact: 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?
OPTIONS:
- 65%
- 50%
- 60%
- 55%

A:
55%