<span>This barrier is known as reproductive isolation and and generally occurs when two species have incompatible genitalia which are unable to function together. It can also occur when the sperm of the male species is unable to be fertilized by the female, regardless of genital compatibility.</span>
Any radiation of any kind can cause cancer. So many things today can be connected to cancer that making the assumption that radiation for cervical cancer causes liver cancer is plausible.
Answer:
you might get in trouble for plagiarism but.. relative age is like an estimate so it wont be absolutely correct. Absolute age is 100 percent.
Explanation:
So it is the concentration of carbon dioxide<span> that plays the major part in governing the</span>rate<span> and depth of </span>breathing<span>. ... This produces an increase in the </span>rate<span> of lung ventilation, which quickly brings the CO</span>2<span> concentration of the alveolar air, and then of the blood, back to normal levels.</span>