10. The main inputs for producing pig iron are A. Iron, Oxygen, sulfur C: pig, iron, fire B. Air, coke, iron ore Diron sulfide, carbon dioxide, water

Explain why scientists use shared characteristics to make cladograms.

Idon’t know how to solve this question

Which of the following are sources of revenue for media companies? a. direct sales to producers b. advertising and subscriptions c. online purchase d. capital investments