The DNA controls the characteristics of an organism. I
It proclaims your sex or gene.
According to the Doppler effect, the sound of a police car siren is louder and high pitched as it approaches the observer.
the is a definite article meaning that you cannot use it
"an" can only be used before words beginning with vowels
therefore the answer is" a"
I think the answer is C. lower pressure
<span>Despite the important organs in the human and animal body, its behavior is still not clearly defined. <span>Traumatic
accidents, burning, orthopedics and cosmetic products rarely require
further study of human skin that needs to observe actual skin behavior
in certain conditions.</span></span>