Answer:
Organism.
Explanation:
The cell is the smallest form of life. Cells work together to form tissues, tissues work together to form organs, and organs work together to create an organ system, and organ systems work together to create organisms. I believe "organism" includes all of these other levels.
Answer: the tundra is important to protect is that it serves as a habitat for migratory populations, like waterfowl, shorebirds, caribou and several bear species. It is home to endangered animals such as the Arctic Fox, Polar Bear, Grizzly Bear, Caribou, and Musk Ox.
Explanation:
Answer:
Option D, strive for 20-30 minutes for continuous aerobic exercise daily
Explanation:
Peripheral Artery Disease (PAD) is caused by development of plaque in the arteries which is commonly termed as atherosclerosis. The plaque reduces or limits the flow of blood which can leads to failure of organs such as kidney, may cause foot or leg amputations, and in severe cases PAD may cause heart attack, cardiac arrest or stroke. In general, a person with PAD is recommended to do treadmill walking as it allows the better flow of blood which was earlier restricted by the plaque
Hence, option D is correct
The theory of Continental Dift
