Bones don't work alone — they need help from the muscles and joints.Muscles pull on the joints, allowing us to move. They also help the body perform other functions so we can grow and remain strong, such as chewing food and then moving it through the digestive system.
Artificial kidneys are man made and natural kidneys are naturally formed.
Answer:
The correct answer is option B. "It disrupts a larger area and produces less oil than drilling".
Explanation:
Oil extraction from tar sands is an inefficient way of extracting oil from a mixture of oil, sand, clay and water. The oil extraction from tar sands requires a considerable amount of energy and water and generates more pollution than oil drilling. Another downside of this process is that it disrupts a larger area and produces less oil than drilling. It is estimates that to produce one barrel of oil, 2 tons of oil sand should be processed.
The answer of this question is genes
No i don't think so i have not heard any one say that there is life anywhere else
