It is becoming less expensive to screen blood samples for dna. certain diseases have a genetic basis. what is a possible ethical concern about the availability of inexpensive dna testing? people may be treated differently if certain genetic information is known about them. dna testing may be too slow to actually be useful to doctors. some diseases are not thought to have genetic causes. cures for diseases may be developed with from dna research.

The answer you would be looking for is option A because all of the other options are either false, or beneficial to us, and i took the test. Thanks

Explanation:

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.

може ли да зареждате повече информация, моля