Answer:
Dark colour.
Explanation:
Dark fur color seems to have the greatest selective advantage because of their hard physical body which occurs due to extreme environmental conditions. The dark colour of mice occurs due to the high intensity of sunlight which increases melanin in their skin. These dark colour mice pass through a very hard and extreme environmental conditions so that's why Dark fur color seems to have the greatest selective advantage.
Answer: The Dust Bowl was caused by several economic and agricultural factors, including federal land policies, changes in regional weather, farm economics and other cultural factors. After the Civil War, a series of federal land acts coaxed pioneers westward by incentivizing farming in the Great Plains.
Explanation:
1) Manifest Destiny: The US Government wanted settlers to move onto the Plains as they needed the land to be settled and farmed and for communities and towns to grow up and expand. This was needed if the USA was to be a rich and successful country. The government therefore promoted the idea of Manifest Destiny.
It is a spreadable disease and highly contagious, and communicate very rapidly, so when it first appeared, it was a very difficult task to prevent ourselves from that Hazardous condition. The Scientific name of this bacteria is "MyoBacterium Tuberculae", As it is directly spreads through air means, air is the vector as there's not any insect or external agent for that Job. Could be life threating if proper treatment is unavailable for a Patient. It exerts dangerous symptoms like: "Chills, fatigue, fever, loss of appetite, malaise, night sweats, or sweating". It can be diagnosed through the process of "<span>The Mantoux </span>tuberculin skin test (TST) or the TB blood test" It is performed by injecting a small amount of fluid called tuberculin into the skin in the lower part of the arm. Doctors may prescribe certain Antibiotics to the patient if he's been diagnosed like Isoniazid, Rifampicin, Pyrazinamide, Ethambutol and <span>Streptomycin. By proper care, we can get our control over the disease.
Hope this helps!</span>
Answer:
Walking
Explanation:
A muscle cell usually contracts or expands simultaneously when one is working or doing some activities like running, exercises, house chores e.t.c
Muscles are flexible fibers that are very essential appendages for locomotion in human beings.
For muscle cells to contract, they are pulled together thereby causing tension in the muscle. When they are relaxed, they move away from one another.
