Which marine ecosystem depends on upwelling from the seafloor to maintain its high productivity? O Coral reefs
O Intertidal zones
O Kelp forests
O Neritic zones

Mexico has a host of environmental problems, including significant chemicalpollution  from factory discharges and waste dumping, but the main threat to itsbiodiversity  probably stems from  deforestation  and other natural habitat losses. forest habitat is lost for a number of reasons

Ithink a hope that

Light rain because storms had lightning and it started crops on fire or destroyed stuff

The saharan africa is desert not forest