What effect has the human population had on the biodiversity of the Earth? A) The effect is unknown because it is too difficult to track species.
B) Species are going extinct, but only at the background rate.
C) Species are going extinct faster than the background rate.
D) The biodiversity of the Earth has increased as the human population has increased.

i think that d. wind is the answer.   i missed the question when i answered a. currents.

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.'