Since electric and gasoline-electric hybrid cars are currently more expensive than traditional gasoline-powered vehicles, politicians have tried to incentivize the purchase of alternative-fuel cars by .

giving tax break to consumers who buy them

Explanation:

Giving tax break or tax cut is a measure that reduces the amount of money a citizen pay to the government as tax for a particular item or commodity. Tax cut are meant to boost economy, encourage usage or patronage of a particular item.

In this case, a tax break is given as incentive to encourage patronage of alternative-fuel cars despite its expensive cost

giving tax break to consumers who buy them

Explanation:

the answer is a. hope this .

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.