Answer:
Iron, manganese, selenium, and calcium all provide day-to-day nutrients that body needs in order to function. Foods that are full of micronutrients can help strengthen cells, fight against harmful viruses, and boost the immune system.
1. D.
2. C Saliva and enzymes from the pancreas help break down food.
3. C ---- I think it's hydrochloric acid, HCl. HCl is very low in pH (acidic) to digest foods
the last phosphate bond is broken.
that's called a macroergic bond between the 3rd and 2nd phosphate groups
To proceed scientifically, you could measure several properties of the unknown liquid and compare them with the properties of known substances. You might observe and measure such properties as color, odor, texture, density, boiling point, and freezing point.
Answer: It is essential to reduce the making of paper due to drastic problems like the buisness there is in deforestation that has a negative effect in the produce of oxygen by the other hand, we currently live in a generation where we can reduce the use of paper by saving information in electronical devices that can almost save unlimited information
