Hello user
Question: <span>Why do you think certain laundry detergents contain starch
Answer: Starch is used to clean things some don't contain it because some people believe it is harmful and are allergic to it.
I hope I helped
-Chris</span><span />
Answer: 
Explanation: Photosynthesis is a phenomenon in which green plants containing chlorophyll use sunlight as a source of energy to convert carbon dioxide and water to form glucose and oxygen.
Photosynthesis is the process used by plants, algae and certain bacteria to convert energy from sunlight and turn it into chemical energy in the form of glucose which is used a s a source of energy by many organisms.
The balanced chemical equation for photosynthesis is written as :

Answer:
tendons and knees
Explanation:
the tendons are in the fingers, and they move to allow various actions such as holding things. the knees, allow us to walk, and join the forelegs and legs. their movement is different and they allow various actions, however, both are important.
Answer:
Mycorrhiza is a symbiotic association in between the green plants and fungus.
The micorrhiza are located in the roots of the vascular plants. The Green plants performs the process of photosynthesis and the sugars produced are supplied to the Micorrhizas.
The fungus supplies the nutrients, water such as phosphorus that is absorbed from the soil to the plant body.
<span>New kingdoms were needed that reflected our growing knowledge of the differences between living organisms.
The classification system requires criteria to differ the organism. As the technology and research advance, we can observe more characteristic of many organisms and found more differences between them.</span>