18. Which of the following statements will result to the ecological deficit? * A. When total ecological footprint is greater than biological capacity for resource renewal and absorption of wastes and pollution B. When total ecological footprint is lesser than biological capacity for resource renewal and absorption of wastes and pollution C. When total ecological footprint is equal than biological capacity for resource renewal and absorption of wastes and pollution D. When total biological capacity is greater than ecological footprint for resource renewal and absorption of wastes and pollution ​