Can someone get the weed im craving it

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

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false