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".
Active transport = The Sodium-Potassium pump<span>, </span>Exocytosis<span>, and </span>Endocytosis<span>.
passive transport = facilated-diffusion, filtration, and osmosis, Hope I helped! :D brainliest? </span>
Answer:
Wetlands can minimize the damage that is caused by storm and reduce the nutrient level in the water, wetland restoration is a better choice than building levees.
The wetlands can be defined as a water body which contains both fresh water and marine water which contains abundant amount of vegetation and fishes.
This will reduce the effect of flood and storm and decrease the nutrient level in water. Templet will support the idea of building wetland more than building levees.
That would be called hearing