The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
Answer:
B, A fossil found in rocks from one time period
Explanation:
Fossils are used to determine the ages of rock layers. Index fossils are the most useful for this. Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in. Hope that this helps you :)
Answer:
True.
Explanation:
Genetic drift occurs when a species migrates into another one, therefore making a new variation of the species.
The epicenter is the outbreak of the earthquake
I would think they would probably hide from the people that are infected.
