(1 point)
9. some sources of family stress are illness, financial problems, and drug abuse. what is another
major source of family stress?
arguing over chores
dating and marriage
separation and divorce
sibling rivalry

Some sources of family stress are illness, financial problems, and drug abuse, What is another  major source of family stress? Stress differs, this brings the saying that different folks with different strokes.

without any iota of doubt, every family has two or more stresses which could have direct or indirect effect on the family and children.  It could be poverty, religion differences, educational crisis, psychological stress, mental health, background clashes, individual differences among others

Explanation:

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'