Which trophic levels does a lizard have on food web

With i really need the correct answer!

Which of the following is not am example of a polymer? protein nylon kevlar concreta

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.