Because the concordance rate for bipolar disorder among identical twins is biological causal explanations are

Bipolar disorder is a mood disorder characterized by alternating periods of mania mental illness marked by periods of great excitement, euphoria, delusions, and overactivity), and depression.

Concordance rates or the presence of bipolar disorder among identical twins is reported to be as high as 85%.  Biological causal explanations are: there is considerable overlap between the genes and imbalances in serotonin activity. Omega-3 fatty acids are reported to  provide protection from bipolar disorder

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

d. planting trees

the trees take in carbon to make oxygen.