Answer:
He
Explanation:
helium has two positive protons and two negative neutrons
and two negative electrons
Oof I don't think ppl like that (ŏ_ŏ)
That would be the mitochondria. They produce the energy needed for activities that occur in the cell, thus its being called the "powerhouse of the cell"
Answer:
1. The action of making a person or animal immune to a disease
2. Polio is a disease that has been eradicated through immunization due to vaccines.
3. Vaccinators vs Anti-Vaccinators
Explanation:
uhhhh not really an explanation for this one
The correct answer for the question that is being presented above is this one: "B. extra chromosome 21." Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Down syndrome is a genetic disorder that is also called trisomy 21. Trisomy 21 look like in a karyotype with <span>extra chromosome 21</span>
