An aging population, a high infertility, and a lack of food and water.
When volcanoes erupt, they emit a mixture of gases and particles into the air. Some of them, such as ash and sulphur dioxide, have a cooling effect, because they (or the substances they cause) reflect sunlight away from theearth
You need to provide a picture
Answer:
77 boxes
1,000 / 13 = 76.9230769
They can't sell part of a box and a little extra money never hurt any one.