D. It blocks the cervix in order to keep sperm from entering the uterus
Answer:
perseverance, conscientiousness, talkativeness
Explanation:
personality traits that can affect certain habits that influence academic achievement such as perseverance, conscientiousness, talkativeness
3.) exposure to toxic chemicals
Answer:
What answer choices are there?
Explanation:
hydrogen intolerance test and the lactose talerence test which measures blood sugars