Answer:
Phosphorus is an essential nutrient for animals and plants.
Explanation:
It plays a critical role in cell development and is a key component of molecules that store energy, such as ATP ( adenosine triphosphate ), DNA and lipids (fats and oils). Insufficient phosphorus in the soil can result in a decreased crop yield.
Answer: The correct answer is : cones
Explanation: At the bottom of the eye there are millions of cells like cones and rods that collect the different elements of the spectrum of sunlight and change them into electrical impulses that then send them to the brain through the optic nerves. The cones are concentrated near the retina. The cones are responsible for the color vision.
