Because bacteria mutates that's why we have a new flu vaccine every year , because strains of DNA in the bacteria change all the time.
Reproductive technologies benefited agricultural industries by fulfilling humans needs such as food. An example of this would be breeding cows for milk or meat.
The respiratory system contains the lungs, so the answer is C. Hope this helps.
It is a completely false statement that knee <span>flexion during strength training should be at an angle greater than 90 degrees. The correct option among the two options that are given in the question is the second option. I hope that this is the answer that has actually come to your desired help.</span>
Zone 3 is a tropical zone, while zones 2 and 4 are temperate.
Since Zone 3 is around the equator and between the two tropics, it is a tropical zone.
Zone 2 and 4 are temperate since they are farther away from the equator, but not too close to the North and South poles.
I hope this helped! :-)