Which describes electric cars or hybrid cars? They are fuel-efficient.

They produce more pollutants.

They run fully on unlimited resources.

They burn more fossil fuels than other cars.

Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i