Which region represents that state when the water in the substance is available as free moisture?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9a.png"><img alt="State of water in the substance is available as free moisture - option a" class="alignnone size-full wp-image-248403" height="234" sizes="(max-width: 339px) 100vw, 339px" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9a.png 339w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9a-300x207.png 300w" width="339"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9b.png"><img alt="State of water in the substance is available as free moisture - option b" class="alignnone size-full wp-image-248404" height="237" sizes="(max-width: 341px) 100vw, 341px" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9b.png 341w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9b-300x209.png 300w" width="341"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9c.png"><img alt="State of water in the substance is available as free moisture - option c" class="alignnone size-full wp-image-248405" height="234" sizes="(max-width: 345px) 100vw, 345px" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9c.png 345w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9c-300x203.png 300w" width="345"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9d.png"><img alt="State of water in the substance is available as free moisture - option d" class="alignnone size-full wp-image-248406" height="249" sizes="(max-width: 337px) 100vw, 337px" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9d.png 337w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q9d-300x222.png 300w" width="337"/></a>