Q: Thousands of years ago, several species of large mammals existed in North America. These species became extinct not long after the first human settlement of North America. Which human activity most likely contributed to the extinction of these mammals?
A: hunting
Q: Which could be a possible way to prevent wildlife species from becoming endangered?
A: establishing more habitats
Q: Most underground caves are formed by the action of water on
A: limestone
Q: Why is protein an important part of a healthy diet?
A:
It is needed to repair tissue.