Answer:
If two breaks occur in one chromosome, sometimes the region between the breaks rotates 180 degrees before rejoining with the two end fragments. Such an event creates a chromosomal mutation called an inversion.
Answer:
When entering, oxygen is high and carbon dioxide is being produced, when exiting carbon dioxide is being exhaled into the air
Explanation:
Answer:
natural selection is the answer
D) decreasing blood viscosity as blood will be lighter and easily movable hence an increase in blood flow
