Answer:D) dengue fever, yellow fever, and malaria
Answer:
The disease has been absent from the population for a long time.
When you run it makes your heart pump blood faster ,when your pulse is up it means you veins are flowing blood and your blood has good circulation
Answer: New research shows that colonies of Escherichia coli can demonstrate a form of learning.
Explanation: Bacterial colonies can evolve the ability to anticipate changes in their immediate environment, say researchers led by Saeed Tavazoie at Princeton University in New Jersey. Other types of bacteria could too. This skill could give them the edge over other bacteria that merely adapt themselves to current conditions.
Answer:
what cnidarians you need to spell right
