If a population of species in an ecosystem does not fluctuate much over time, the ecosystem
A) has no significant buffering mechanisms.
B) has many "eury" species.
C) is said to be stable.
D) has low inertia.
C) is said to be stable.
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Carefully examine the following reaction sequence for the catalytic formation of ozone, O3, from molecular oxygen, O2. Which chemical compound is behaving as the catalyst? O2 + 2 NO ? 2 NO2 2 NO2 ? 2 NO + 2 O 2 O + 2 O2 ? 2 O3
A. nitrogen dioxide, NO2 B. oxygen, O2 C. atomic oxygen, O D. nitrogen monoxide, NO
As the temperature of an object ____, the intensity of the radiation emitted by the object ____
A) increases; increases B) increases; decreases C) decreases; stays the same D) decreases; increases
____________________ provide much weather data, including wind speed and direction, but they are typically launched only over land
Fill in the blank(s) with correct word
The prime meridian is also known as the _______________.
a. Woolwich Meridian b. Bromley Meridian c. Greenwich Meridian d. Deptford Meridian