C. All that are listed are abiotic(non-living)
Fossils prove that other organsism lived before us and show organisms simmalar to us
I think it’s b not sure though
Answer:
Tooth enamel is the hardest substance in the body.
This resilient surface is 96 percent mineral, the highest percentage of any tissue in your body – making it durable and damage-resistant.
Taskmaster answered this one. Question she/he answered was What is a word for a fat-soluble signal molecules that are derived from cholesterol.
Cell membrane is comprised of phospholipids (its major component ) which can create lipid bilayers because of their water attracting characteristics. Another lipid inside the cell membrane is cholesterol, which makes the cell membrane more fluid. Cholesterol is a waxy fat-like substance found in all cells of the body.
When you have a high cholesterol, it can create a plaque in your arteries thus, develop a high risk of heart disease. People who have high cholesterol has a greater possibility to acquire coronary heart diseases.
