Physical anthropologists can understand human biological variation by looking at changes in

 Anthropology is classified into four major classes namely, linguistics, archeaology,cultural and physical anthropology. Physical anthropology is the study of human variation, evolution and bio culture. it entails all aspects of human biology both in the past and the present. Changes in lifestyle, health and gene helps the physical anthropologists to understand the human biological variation.

Increase

The accounts receivable asset shows how much money customers who bought products on credit still owe the business; this asset is a promise of cash that the business will receive. Cash doesn’t increase until the business collects money from its customers.