Answer:
lower chambers are called the left and right ventricles
Explanation:
hope this helps (づ。◕‿‿◕。)づ
Answer:
B
Explanation:
Valleys are created by streams of running water
Option B cause you can continue using it many times
Answer:
C. hunting and gathering existence.
Explanation:
Paleolithic period, also called Old Stone Age, of human development is characterized by the use of rudimentary chipped stone tools although at that time, humans also used wood and bone tools.
During the Paleolithic Age, hominins grouped together in small societies such as bands existed by gathering plants, fishing, and hunting or scavenging wild animals. Other organic commodities were adapted for use as tools, including leather and vegetable fibers; however were discontinued due to rapid decomposition.
Answer:
a kangaroo
Explanation:
autotrophs produce food by themselves, kangaroos rely on plants as food