Which region is known as the Initial period of the drying curve?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7a.png"><img alt="The Initial period of the drying curve - option a" class="alignnone size-full wp-image-248398" height="239" sizes="(max-width: 344px) 100vw, 344px" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7a.png 344w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7a-300x208.png 300w" width="344"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7b.png"><img alt="The Initial period of the drying curve - option b" class="alignnone size-full wp-image-248399" height="248" 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-q7b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7b.png 339w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7b-300x219.png 300w" width="339"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7c.png"><img alt="The Initial period of the drying curve - option c" class="alignnone size-full wp-image-248400" height="237" sizes="(max-width: 344px) 100vw, 344px" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7c.png 344w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7c-300x207.png 300w" width="344"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7d.png"><img alt="The Initial period of the drying curve - option d" class="alignnone size-full wp-image-248401" height="233" sizes="(max-width: 335px) 100vw, 335px" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7d.png 335w, https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-questions-answers-temperature-profile-drying-curves-q7d-300x209.png 300w" width="335"/></a>