Environmental Science
Scientists are able to determine the air temperature in the thermosphere by:

Using radiosondes
Using temperature probes in orbiting satellites
Direct measurements in manned, high-altitude balloons
Observing changes in satellite orbits

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Environmental Science
Which of the following statement is incorrect regarding ecological pyramids

The pyramid of biomass is upright in grass land ecosystem
The pyramid of numbers is upright in grass land ecosystem
The pyramid of biomass is inverted in aquatic ecosystem
The pyramid of energy is inverted in ocean ecosystem

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