A. social age
b. chronological age
c. psychological age
<span>d. biological age
Its D, biological age.</span>
Calm down and breath if u can i would take it to the vet
Answer:
A reliable source is one that provides a thorough, well-reasoned theory, argument, discussion, etc. based on strong evidence. Scholarly, peer-reviewed articles or books -written by researchers for students and researchers. Original research, extensive bibliography.
Explanation:
Hope this helps! Please mark brainiest!
A sperm makes its way down the Fallopian tube and burrows itself into the egg