Answer:
Trochilidae
Explanation:
That's the real name of the hummingbird
To count the number of chromosomes count the number of functional centromere.
Answer: the momentum of the object increases
Explanation:Mass and velocity are both directly proportional to the momentum. If you increase either mass or velocity, the momentum of the object increases proportionally. If you double the mass or velocity you double the momentum.
The answer is B i did this before hope this helps