Answer:
The Earth's outer crust (the lithosphere) is composed of a series of tectonic plates that move on a hot flowing mantle layer called the asthenosphere. Heat within the asthenosphere creates convection currents that cause tectonic plates to move several centimeters per year relative to each other.
The 3Rs by Russell and Burch are known to be the "alternative methods" to improve the treatment of laboratory animals, at the same time to advance the quality of science that uses animals for studies.
The 3Rs are Replacement, Reduction, and Refinement. Replacement is defined as minimizing the pain and suffering of the animals used in research. Reduction is for reducing the number of animals being used, and using healthier animals. Replacement is using alternative to animals such as tissue cultures and computer models.
Answer:
Covering approximately 800 miles, the Santa Fe Trail extends from Independence, Missouri to present day Santa Fe, New Mexico. The Trail originally began in Franklin, Missouri, but the trail head was moved to Fort Osage and, by 1827, to Independence. ... The Santa Fe Trail was first used in 1821 by William Becknell.
Explanation:
it can't be healthy
Explanation:
conflict can sometimes lead to fights which call lead to deaths
