The correct answer is more than 50 percent.
The proportion of the volume of red blood cells to the volume of the entire blood is known as the hematocrit level. The general range for hematocrit varies among the sexes and is about 45 to 52 percent in the case of men and 37 to 48 percent in the case for women.
A high hematocrit level with a high hemoglobin and high red blood cells count suggest polycythemia. Polycythemia refers to the condition in which the quantity of red blood cells in the blood increases.
It’s not an organ because it’s a plant so it would be a cell
Answer: Abiotic factor for polar: Ice
Abiotic for desert: Sand
Biotic for polar: Polar bears
Biotic for desert: Cacti
The types of factors are different because there are different set conditions for each ecosystem. A cactus is built for it's hot, dry ecosystem. If it were to move to a polar ecosystem it would not survive there. Same for the polar bear. It's built for polar regions. It has white fur to blend with the white ice to help it blend in and it's adapted to swim to get it's food source.
Explanation:
The second statement is correct.
