Answer: Natural Errors
Explanation: Mutagens can erase parts of DNA that then replicate, but is not a mistake made in copying DNA so that's not it. UV Radiation distorts DNA, but is not necessarily a mistake made in copying it. Natural Errors are mutations made by cells when they copy base pairs and ineffectively or for some other reason mutate/do not create the correct DNA, and the failure of cells to correct this is a mutation. This is also known as an error in DNA replication
C. Most psychologists believe that prosocial behavior always contains an element of self sacrifice.
<span>The
answer to this question is electrocardiogram. Electrocardiogram or ECG is a
test that records the patient’s heartbeat and checks the electrical activity of
the patient’s heart. The electrodes that are placed on the skin of the patient
to capture the magnitude of the heart’s electrical depolarization and to check
any presence of heart muscle damage. </span>
Answer:
It can be fun it can be less costly instead of having the school pay for more fruits and vegetables.
Explanation:
The correct option is B.
Family life cycle refers to the emotional and intellectual stages that one passes through from childhood to retirement age as a member of a family. There are five phases of family life cycle, these are: Independence, marriage, parenting, launching of adult children and retirement. <span />