How does light move?..

1. How does light move?
a.In circles
b.Around corners
c.Towards the sun
d.In a straight line
2. In a food chain, plants that get their energy from the sun are known as ________.
a.Decomposers
b.Producers
c.Vegetables
d.Consumers
3. Squirrels are what type of vertebrate?
a.Mammal
b.Amphibian
c.Reptile
d.Reptile