Any photos below 7 is known as acidic, the lower the pH the more acidic the solution I believe.
This is because of B. Their cells are in direct contact with the environment.
Answer:
The thicker part of the blood left behind in the glomerulus after ultrafiltration, namely, the two kinds of corpuscles, proteins, and other large molecules are carried forward through the efferent arteriole. Thus, the blood proceeding away from the glomerulus is relatively thick.
<h3>hope it is helpful...</h3>
Answer:
The mitochondrial DNA (mtDNA) is passed down from the mother to the children almost unchanged. The analysis of mtDNA has provided the forensic scientist with essential tools for determining the source of DNA that they have recovered even from small biological samples. Thus, the answer to the question above is letter B.
Explanation: