Why do you suppose agricultural production occurs within regions?

Which of these statements are true about scientific theories and hypothesis

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

Ais a group of individuals of the same that exist together in the same place at the same time