How is specific gravity extracted from the earth?

If a grape were placed in a hypertonic solution what would happen and why?

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.

Explain the process that creates the heat of the sun?