A garden has a higher level of oxygen compared to a city road. A garden has plants and trees. Plants produce oxygen and sugars from carbon dioxide. A city road is composed of industrial buildings, vehicles, humans, and animals. They consume oxygen that is why the oxygen content is lesser on a city road.
This is true because if they didn't they wouldn't have the same biological mother.
<span>Electrical signals in the body are often based on ions because ions are charged particles</span>
Answer:
1. Remove a green leaf from the plant
2. Boil the leaf in boiling <u>water stop enzymatic reaction within cells in leaf</u>
3. Put the boiled leaf in boiling tube containing alcohol <u>extract (ethanol) chlorophyll ethanol dissolves Lipids in cell membranes.</u>
4. Return to leave to the hot water <u>soften the leaf and allows penetration of </u><u> </u><u>i</u><u>odine</u>
5. Remove leaf and perform the iodine test
Explanation:
<em>starch is white powdery substance consisting of glucose which is used by plants as food the percents of starch in leaves evidence enough of the process a photosynthesis being carried out in leaves as the formation of starch necessitates photosynthesis</em>.
I hope this helps :)
