A threadlike structure that is found in in the nucleus,carrying genetic information in the form of your genetics
Answer:
Mutations cause instant adaptions, whereas natural selections are basically the process where adaptions occurs in generations overtime. Adaptions are the processes of changes by which an organism or species become best suited for their environment (characteristics)
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Molecules at higher temperatures have more energy, thus they can vibrate faster. ... The speed of sound in room temperature air is 346 meters per second. This is faster than 331 meters per second, which is the speed of sound in air at freezing temperatures.
You should use the smallest unit rate any time accuracy is needed. For example, if you are administering dosages of vaccines, you should use the smallest syringe possible for the dosage. A smaller syringe will have more precise graduations than a larger one. The same holds true for glassware such as graduated cylinders. A 1000 ml graduated cylinder will probably not have a 5 ml graduation on it, and measuring out 5 ml with a cylinder that large would be guesswork at best. A 10 ml graduated cylinder, however, will have graduations for every 0.1 ml, and would be suitable for measuring small amounts of liquids.
The right option is a. Croup
Croup is an acute respiratory
infection in children and infants characterized by a barking cough and stridor.
The infection causes difficulty in breathing and a hoarse voice. Croup is
caused by parainfluenza virus and other causes include allergies and reflux. The
symptoms of croup are usually worse at night and it can last for about three to
five days.
