Help awnser the abc ignore the orange thing

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

Why is it incorrect to say that mitochondria function only as energy factories with cell