Osteoporosis happens when bone density decreases and the body stops producing as much bone as it did before.
Hope this helps chu.
Answer:
Aight depends, do you guys go to school together? Do you guys live next to each other? If no, then you'll just have to wait it out until she contacts you. If she DOES, then wait till school and say hi or go to her house or something.
Actually girls grow more than boys because girls develope faster and mature faster.
Answer: Photosynthesis. Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.