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biology 1 v20, brooke garrett (4904/5)
the study of biology is correctly defined as
finding scientific solutions to human problems
studying the creatures of land and sea
learning about the interactions and functions of living organisms
studying the health of living creatures

answer; hydrologic cycle;

answerhomologous structures;

answer increasing the intensity, duration,and frequency of exercise progressively;

ans.

in united states (us), the first leading cause of death for both women and men is heart diseases that leads to more than half of the deaths. heart diseases develop due to narrow arteries, buildup of plaque in blood capillaries that arises difficulties in blood flow.

the second leading cause of deaths in us is cancer that affects individuals of all ages. it develops due to uncontrolled growth and spread of tumor cells, which results in death if the not controlled or treated.

the third leading cause of deaths in us is copd or chronic obstructive pulmonary disease. it includes difficulty in breathing, chest infections, and persistent cough. smocking is a leading cause of copd and around 80% of copd deaths occur due to smoking.

thus, the correct answer is 'option). cancer, copd, and heart disease.'