A. The onset of the menstrual flow
The immune system. It produces antibodies which fight the bacteria or virus that caused the infection
Answer:
Jessica melts 200 grams of dark chocolate that contains 60% cocoa and mixes it with 200 grams of milk chocolate that contains 30% cocoa
What is the concentration of cocoa in the resulting mixture
Explanation:
Answer:
if you water a plant the water travels though the soil then it will feed the roots and then it will go to the leaves of the plant.
Explanation: