The Doppler effect can be experienced when an ambulance is approaching you. Due to the ambulance moving closer to you, the gap between the wavelengths is decreased, leading to you hearing the siren at a much higher frequency than when the ambulance has passed you! Hope this helps!
Answer: C) They can contain contaminants that can enter the air during storms or high winds.
Explanation: A is wrong because I got it wrong (Sorry, can't give much explanation there).
B is wrong because water contamination does not directly relate to respiratory health.
D is wrong because fertilizers can impact respiratory health (Explanation seems lack-luster, but I feel like this is common sense).
The physical location of a gene within the genome is called the Locus.
<span>Animal mitochondrial DNA is most closely related to the genome of bacteria. It is supposed that early eukaryotes engulfed bacteria according to endosybiotic theory. In bacteria there is no special organ like nucleus to hold the genome. In mitochondria also such genome can be seen.</span>
Continental shelves were formed in between glacial periods as the ocean flowed over the continents forming shallow areas along the coasts. ... The continental margin is a combination of the continental shelf and slope, a varied seascape with underwater canyons carved out by turbidity currents