The lower chambers of the heart are the
septum
ventricles
atrium
pacemakers

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water