The average height for 850hpa, 700hpa and 500hpa weather chart is_______respectively.

单选题

The average height for 850hpa, 700hpa and 500hpa weather chart is_______respectively.

答案解析

单选题

Charted depth is the ___ .A. vertical distance from the chart datum to the ocean bottom, plus the height of tideB. vertical distance from the chart datum to the ocean bottomC. average height of water over a specified period of timeD. average height of all low waters at a place

答案解析

单选题

The height from the ground to the top ofthe fin can change.

答案解析

单选题

The most significant source of man-made radiation exposure to the average person is from_____.

答案解析

单选题

On the average, for every 1000 feet altitude increase, temperature will decrease approximately _______ ℃．

答案解析