A change in which of the following is least likely to impact primary productivity? A. Nitrate
B. Dissolved oxygen levels
C. Dissolved carbon dioxide levels
D. Phosphate

Explain the significance of the increased cell specialization of the volvocine line

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents. earth's tilt causes the ocean to move because of gravity. earth's tilt and its rotation cause currents. earth's tilt causes uneven distribution of salt which causes currents.