Lactic acid is produced during anaerobic respiration, which is a form of cellular respiration in which oxygen is not present. Lactic acid is produced when you exercise, and it causes your muscles to become tired. It depends how long until you feel the effects of lactic acid, but getting oxygen to your muscles can slow the build-up. Hope this helps! :)
<span>The southern colonies had Africans as much of the population,
while the Middle colonies and New England had few slaves. Most northern
immigrants were in the middle class, while most southerners were poor men
seeking work. Since they both had people seeking new and better lives, the colonies
were similar.</span>
Answer:
A. trianglur trade
Explanation:
I hope this helps u and u get it right :D