There are several sets of numbers on both debit or credit cards, which share the same characteristics. Each set of numbers has a specific purpose, such as to identify your account number, the identity of the card issuer and to prevent others who access your account number from making unauthorized purchases.
Quick Answer. According to the Missouri Botanical Garden, end rot disease is one of the most common reasons why pumpkins fall off the vine before ripening. Pests, improper watering techniques, mold and mildew can also affect pumpkin growth. Keep Learning.
Maple seeds do not fall off the tree until the wings are quite dry. This has two advantages. For one thing it makes them lighter so that they will fly farther. It also makes the wing more brittle so that once they land the wing material may break away from the seed.