Answer:
D all of the above
Explanation:
a - provide protective covering on the land to prevent soil erosion
b - provide shade, protect from wind and help moderate the temperature
c - animals can't make their own food, so they depend on plants for supply of food
Therefore, the answer is D all of the above.
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<span>They have very stable outer electron shells</span>
The data supports the fourth choice, that increasing air temperature and CO2 levels correlate with a decrease in dust concentration.
The first choice is unlikely to reflect dust concentration, and is more likely to be for air temperature. The second choice is false, because the dust concentration is more of a decreasing trend. The third choice is not true, as the spikes in air temperature and atmospheric CO2 concentrations seem to occur simultaneously, implying a positive correlation.
Wilbur and Orville Wright were American inventors and pioneers of aviation. In 1903 the Wright brothers achieved the first powered, sustained and controlled airplane flight; they surpassed their own milestone two years later when they built and flew the first fully practical airplane.
The first cell that was viewed by the light microscope was the oak bark.
