Which sentence pattern describes the sentence below?
1.) global warming is a real threat to the planet.
a.) s-v-o
b.)s-v-i-o
c.)s-v-n
d.)s-v-a
2.)hybirds produces less pollution than conventional cars.
a.)s-v-o
b.)s-v-io
c.)s-v-n
d.)s-v-a