Answer
d.crust
Explanation
because he covered the layer of the earth
Semen is the thick fluid that contains the sperm that is basic in nature, thus protecting it from the acidic nature of the vagina.
IT'S called NaOH. Hope this helps you. Would mind marking this a brainliest answer :)
Yeah owls don’t mainly say boa though
Answer: Option B) 4 only.
The bacterium can be properly described as a commensal only
Explanation:
A biological association where one of the two organisms benefits while the other neither benefits nor get harmed describes Commensalism.
For instance, this bacterium derives nutrition from man, and man is neither benefited or harmed.
Thus, the bacterium is a commensal
