What is an advantage of using multiple lines on a line graph​

Creating new things to solve problems and improve life depends on the close interaction of which two fields?

What is the correct order of cell division? include what happens in each phase

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?