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:
to transmit an output in response to the total afferent input
Explanation:
An effector refers to parts of the body generates response. An effector responds to transmit an output in response to the total afferent input Stimulus in the body are detected by the receptor which send signals to the central nervous system via sensory neuron where interpretation and a response is coordinated by the brain. The response is sent to the effector through the motor neuron.
The answer is D) carbon forms both single and double bonds.
Metaphase. During metaphase, spindle fibers attach to the centromere of each pair of sister chromatids The sister chromatids line up at the equator, or center, of the cell. The spindle fibers ensure that sister chromatids will separate and go to different daughter cells when the cell divides
I think the answer is A. The presence of alluvium in the flood plain
Could you put me as brainliest?
It leaves fertile soil called alluvium along its banks which is good for planting crops