Answer:
Its B because if it reacted chemically it wouldn't be considered a physical property since its changing on the "inside"
B) cell because all living things are made up of cells
Answer:
The foxes would have brown fur all year long.
Explanation:
The foxes would have brown fur all year because the change in the environment will not occur. If the change not occur in the climatic conditions, then the foxes did not change the colour of the fur so the brown colour remains for all year long. The colour of fur changes when the change in climate occurs so if there is no change in the climate so change occur in fur colour of foxes.
The immune system.
The immune system acts as a defense system of the body. It fights against bacteria, viruses and any other disease causing pathogens. Some chemicals can weaken the immune system and make them vulnerable.
Answer: Septum: Prevents oxygen rich blood mixing with oxygen poor blood in the heart.
Valves: Prevent backflow.
Explanation:
