Where do convection currents occur A. in areas with the same altitude
B. in areas with different pressures
C in areas with different cloud types
D in areas. with the same temperature

C. in areas with different air pressures

Explanation:

"Convection currents occur within:

The geosphere – plate tectonics

The atmosphere - wind

The hydrosphere - ocean currents"

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the form of energy changes and the total energy increases0l

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: