Answer:
D. A brown gas produced
Explanation:
When a chemical reaction occur, there are several changes that takes place such as change in color, odor change, formation of a gas, and formation of a precipitate etcetera.
In the given chemical reaction, two colorless gas (NO and O2) react together and form brown gas (NO2). So, the change of gas from colorless to brown gas is the evidence that shows chemical reaction occurred.
Hence, the correct option is "D. A brown gas produced".
Answer:
the answer would be the first one which is sexual reproduction
Cellular respiration is the process by which glucose is broken down to carbon dioxide and water in the cell.
Cellular respiration refers to the process in which glucose is broken down to produce energy. The reaction of cellular respiration is; C6H12O6 -----> 6H20 + 6CO2. This process occurs in the mitochondria of the cell which is within the cytoplasm. In times of oxygen deficit, lactate or ethanol may be produced by the process.
The following statements are true about cellular respiration;
- the reactions happen in the cytoplasm
Laern more: brainly.com/question/13721588
Both are made up of cells, charisma has a goldfish she keeps in a tank. she planted several underwater plants in the bottom of the tank.
<h3>How long do goldfish live for?</h3>
Goldfish have a lifespan Of about 10-15 years, with some sorts living up to 30 years when occupied with proper maintenance.
Thus, Both are made up of cells.
To learn more about goldfish click here:
brainly.com/question/1940313
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