Answer:
B
The second student has not yet seen the same sunrise.
Explanation:
Because as the day goes on, the sunlight shines on places without light as the earth is rotating.
It can date back as far as the dinosaur age...
The branch of biology dealing with interactions along organisms and between organisms and their environment is called Ecology, I believe.
Reparation of consumers. For example when humans exhale they send carbon dioxide back into the atmosphere.