Which of the following is the best definition of a scientific theory? a. a plausible answer to a scientific question that is used to guide research b. a highly tentative statement about the natural world that is likely to be significantly changed or discarded c. a broad, well-supported explanation of related observations or events d. a description of a natural phenomenon that is always observed to occur under specific conditions

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

In this assignment, you will analyze an example of speciation by researching the finches of the galapagos islands. then you will answer questions to construct explanations and draw conclusions based on the information you gather. someone plz !

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.