Apatient with osteoporosis (reduced bone mass) may have a history of health issues. one issue could be
not enough skin exposure to the sun to make vitamin d.
weak ligaments.
an increase in the absorption of calcium in the digestive system.
weak tendons.

The answer is; not enough skin exposure to the sun to make Vitamin D

When the skin is exposed to the sun, the 7-dehydrocholesterol in the skin is converted to vitamin D. This vitamin then plays a vital role in the increased absorption of calcium from the gut. Calcium is essential for bone strength since it is significant in bone mineralization. Therefore, the lack of sunlight causes the secondary effect of osteoporosis.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.