The methods of judging distance include:
Explanation: Unit of Measure Method
In this method, distance is judged using a known unit of measurement such as meters or steps. The observer estimates how many units of the known measure would fit between the observer and the target.
Write one difference between dominant and recessive trait.
Name the blood vessel that brings (i) oxygenated blood (ii) deoxygenated blood, to the human heart. Also name that chamber of the heart which receives deoxygenated blood and state how deoxygenated blood from this chamber is sent to the lungs for oxygenation.