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"

Hope this helps u.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.