Can you guys help me with this please

What is the main causes of gray hairs and balding? write your answer in 2 paragraphs

Sweat glands that cause orders during puberty are present in the body from the time of brith

According to proper standing posture, from a side view, which parts of the body should be aligned? a. ear, shoulder, hip, knee, and ankle b. stomach, hip, knee, and ankle c. nose, shoulder, hip, knee d. ear, shoulder, fingers, ankle