Answer:
Explanation: the image on the left is 4up and the image on the right is 2 right
The food ingredient that is important for brain development is GLUCOSE.
Glucose is the only type of nutrient that the brain can use to carry out its biochemical activities. The brain usually use about 20% of the glucose content that is available in the blood. Absolute lack of glucose for brain use can cause one to go into coma.<span />
They are prokyartic cells
Answer: Exhaled air containing Carbon dioxide bubbles react with water to form carbonic acid . The solution turn acidic and turn from green to yellow.
Explanation:
Exhaled carbondioxide bubbles reacts with water to form carbonic acid, the solution will turn acidic. Carbonic acid is a weak acid that decrease pH. An indicator of it shows that the solution turns from green to yellow.
Co2+ H2O= H2Co3.
The solution then dissociate to give H ion and hydrogen carbonates ion.
How diseases happens to spread in communities is the direct contact of bacteria, viruses or other germs from one person to another. This can happen when an individual with bacterium or virus touches, kisses, or coughs on someone who isn’t infected.
