<span>A) Viruses are not alive. - yes they are alive, dead viruses are used in vaccines
B) Viruses have no protective shell. - yes, they have
C) Viruses have no lytic cycle. - this is specfic for bateria
D) Viruses do not contain DNA. - every virus contain a DNA!
your answer is C</span>
A because it is used to treat known diseases.
There is only one structure feasible for a tetrahedral molecule with such a formula, under the supposition that A is in the center of the tetrahedredon. In this case X and Y are in the vertices of the tetrahedron.
If you draw several figures changing the position of the X's and the Y around the center (A), you will see that all are equivalent.
This is the case of the product CH3Cl, named chloromethane, which, for the same reason given above, does not have isomers.
I believe the answer is b
Answer:
Explanation:
A country with higher interest rates often has an increase in the value of that country's currency relative to nations offering lower interest rates.
If there is an interest rate increase in the United States but the interest rate do not change in Europe then the United States currency will increase in value relative to the currency in Europe.
Other Factors that affects the value of a country's currency aside increased interest are:
(1) Political stability
(2) Economic stability.
(3) The demand for a country's goods and services.
(4) country's balance of trade between imports and exports.
