The roles for hormones are very good in terms of which of the following? Reducing costs
Achieving efficiency
Creating resistance
None of the above

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?

Earthquakes a.created the rock in arches utah b.can be caused by volcanic eruptions c.are caused by tsunami waves d.wear mountains down into hills

Explain what is meant by a river’s load, and describe how the load is carried.