Question

people believed ,that time period of a child on a swing depends on his mass, length of the swing and acceleration due to gravity . using dimensions show that time period does not depend on mass

Answer 1

Answer:

The parathyroid hormone (PTH), secreted by the parathyroid glands, is responsible for regulating blood calcium levels; it is released whenever blood calcium levels are low. PTH increases blood calcium levels by stimulating osteoclasts, which break down bone to release calcium into the blood stream.Aug 14, 20

I. hope it is helpful for you

Answer 2

Answer:

Soil erosion is a naturally occurring process that affects all landforms. In agriculture, soil erosion refers to the wearing away of a field's topsoil by the natural physical forces of water and wind or through forces associated with farming activities