Which continent or continents did the Homo ergaster occupy 1.6 million years ago?

Africa

Africa and Asia

Europe and Africa

Europe, Africa, and Asia

Legumes have a materialistic relationship with bacteria that live in what?

What is the difference between a population and a community? a. a population is a group of various species living in the same place and interact with each other;

What makes a pathogen "infectious"?

What can biodiversity contribute to an ecosystem?

In the projected video showing the growth of bacteria, why did the bacteria grow up to the edge of the area with antibiotics, pause, then continue to grow across the area with antibiotics?

What does a reflectd light look like

Imagine you have a raised garden bed filled with soil that no one monitored for a year. What would you expect it to look like the following year? How about 5 years? What about 100 years?

Why do constellations in the night sky change seasonally? A. Earth rotates around its axis. B. Earth revolves around the sun. C. Earth moves closer to the moon. D. Earth tilts on its axis. 5 / 9 0 of 9 Answered

Which of the following could result from an algal bloom in a river?

A common element among all the river valley civilizations was: irrigation systems that moved water to crops and settlements developed plumbing systems developed written materials the worship of leaders as God's