which factor contributes to the development of osteoporosis?
genetics
lack of calcium
naturally occurring exposure
ingestion of gluten products

lack of calcium

Explanation:

Osteoporosis is more likely to occur in people who have: Low calcium intake. A lifelong lack of calcium plays a role in the development of osteoporosis. Low calcium intake contributes to diminished bone density, early bone loss and an increased risk of fractures.

The correct answer is lack of calcium.

Explanation:

Osteoporosis is a disease in which the bones become fragile and can break easily.

It is very likely to appear in a person over 50 years old, especially if she is a woman.

This disease is caused by a deficit of calcium in the bones, since calcium is essential for bones to be healthy and strong.

To avoid this, it is recommended to consume foods that contain a lot of calcium and vitamin D.

Given this information, we can say that the correct answer is lack of calcium.

      x/140 = 25/100

we need to find the x to find the x multiply 140 and 25

and what do you get 3500.   and what is 3500 divided by 100

= 35

what are the options that have to match them to?