Answer:
A.
Explanation:
B established segregation. C was for the government and the states. D outlawed segregation in schools. Your best bet is A.
Also, according to history.com .... "The Civil Rights Act of 1964 ... ended segregation in public places and banned employment discrimination on the basis of race, color, religion, sex or national origin."
When oxygen is not available or is not efficient for normal respiration which uses O2 (aerobic respiration), the organism turns to mode of anaerobic respiration/fermentation that does not require O2 and is less efficient to provide energy to the organism but it still produces. That is GLUCOSE [no oxygen] —> ATP + lactic acid
The answer is I actually don’t know :(