Which of the following is a drawback of the decision to monitor six greenhouse gases under the Clean Air Act?
O A. It could slow down climate change.
O B. It creates millions
green jobs
O C. It costs money to enact regulations,
OD. It could wean the country off fossil fuels.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.