Answer:
Explanation:
Their habitats are possibly being destroyed, iguanas are possibly being a food item to people, or their reproduction rates/eggs not hatching.
Lipids would be the answer that you are looking for. When talking food energy it's best to speak in terms of calories. Therefore, lipids or fats offer the greatest amount of heat or energy.
The answer is d) organic chemistry
Answer: Option A) Cells
Explanation:
The soft lining inside the mouth is an example of cell.
The inner lining of mouth is made up of the mucous membrane. Soft lining is consist of squamous epithelium also called as oral epithelium, which is a type of cell.
Epithilial cells are arranged in layers upon a basal membrane. It function to protect mouth against abrasion.
Hence the correct option is A) cells.
Answer:

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