It has high melting and boiling point.strong intermolecular forces and polar in nature
Answer:
D. Acidification, increasing the pH of the ocean
The code for this procedure allows for imaging a patient twice.
A pulmonary perfusion imaging or pulmonary ventilation scan is used to check that how well air and blood are able to flow through your lungs. Pulmonary embolism is a condition in which two or more arteries are blocked by the blood clot in lungs and it is the fatal complication after the trauma.
Birds were a major widespread during this time period therefore the answer is the last option