Truth water at the top has energy
Composite volcanoes. Had this question on apex:)
Answer:
because of Phototropism some plants like sunflower .... turns in the direction of sun
Explanation:
Answer:
PVR is calculated by the formulae: 
Explanation:
Pulmonary vascular resistance may be defined as the resistance to blood through the pulmonary circulation.
PVR can be determined by the following formula:

Here, PAP is the pulmonary artery pressure, PAOP is pulmonary artery occlusion pressure and CO is cardiac output.
c natural variation in the bacteria means that some die while other are more resident and survive