Which of the following is not a transboundary health hazard along the u. s.-mexico border?
a. abandoned tires
b. raw sewage
c. animal carcasses
d. hazardous waste

Ais a group of individuals of the same that exist together in the same place at the same time

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Alaboratory investigation included examine prepared slides of pond water singled celled organisms with a nucleus and either cilia or flagella were visible these organism probably belong to the kingdom