C. testable and observable
It was an asteroid that came to earth two billions years ago and scientists says that there might be another one coming.so we might live in space for a couple of months or years. so that why the dinosaur die.
Answer:
2. Can carry less oxygen and more carbon dioxide.
Explanation:
Sickle cell anemia damages and inhibits hemoglobin in red blood cells reducing how much oxygen they can carry.
Answer:
BRAINLIEST PLZZZ
Explanation:
They play a major role in protein synthesis. They act as the powerhouse for the cell. They are involved in the separation of chromosomes during cell division.
