Which action would most likely increase the amount of carbon in the environment? choosing to burn coal to generate electricity
using energy-efficient appliances in place of older, traditional appliances
reusing shopping bags instead of using disposable plastic bags
recycling paper and plastic instead of throwing it in the trash

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit