Cattle depend on microorganisms in their digestive tract to digest the cellulose in their diets. The Cattle and the microorganisms are Symbionts. Since they are not able to digest the cellulose that they eat from plants.
Tsunamis can only occur in water.
The answer is A. They have a hydrocarbon backbone that can be chemically altered.
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.
Global warming is caused by carbon dioxide formed by people which then traps heat in the atmosphere that is like a blanket of heat wrapped around the earth.
Because of this, ice on the polar icecaps are starting to melt causing our ocean water to rise. now if this continues than we are in trouble because a lotttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt of countries will be underwater and this our fault.
scary i know hopes this help u understand a little about global warming. ;)
