can you please check my science homework?

5. Nuclear power plants use the radioactive element ________ to create energy. (1 point)
californium —–
plutonium
kryptonite
uranium-235

6. Green power comes from ___________. (1 point)
wind
sun
water —–
all of the above

7. Geothermal energy comes from _______ deep in the earth. (1 point)
magma
lava
solar power
volcanoes—–

8. Landfills emit ________ gas. (1 point)
petroleum
methane —–
oxygen
butane