The correct option is A inter-related
A temperature of the atmosphere and altitude are interrelated. The temperature of the atmosphere decrease with increasing altitude from the earth's surface. This vertical decrease in temperature of the atmosphere is limited to the troposphere. The atmosphere is heated mainly from below. Therefore, within the troposphere, as we go higher temperature gradually decreases to about 6.5 degrees C per km. Sometimes, especially during cold winter nights the temperature increase with the altitude. This is mainly due to the rapid radiation from the ground and on account of the flow of heavy cold air down the valley.