An astronomical unit (AU) is the approximate distance from the earth to the sun. The answer is D.
Answer:
ANSWER : a wide range of environmental conditions that shapes communities.
Explanation:
Climate can easily be described as the average weather which occurs in a place over a long period of time probably over many years. The ecosystems and habitats around the earth are shaped due to climate as particular climate can be best for the living condition of one organism but be devastating for the living of another organism. The effect of climate on living communities is such devastating that a change in climate can cause the extinction of a particular kind of species. Climate shall not be confused with weather which is day to day temperature change.
Answer is
body-brain barrier.
Explanation:
Mannitol injection is used to reduce swelling ande pressure around the brain.
It enhances flow of water from tissues including cerebrospinal fluid and the brain into plasma and interstitial fluid.
Answer: For decreased chances of rejection
Explanation:
The three higly polymorphic MHC 1 genes in human beings are HLA-A, HLA-B and HLA-C.
These determine the compatibility of the organ or tissue in the recipient's body each by the help of many alleles that segregates in a population.
There are very less chances that a random chosen donor will match the a recipient six allele genotype.
This is the reason parent may be the best donor for organ transplantation or tissue transplantation.
