Nguyên nhân nào là nguyên nhân chủ yếu nhất dẫn đến ô nhiễm môi trường? A. Con người thiếu ý thức bảo vệ môi trường.
B. Phát triển kinh tế.
C. Thiên tai.
D. Tăng dân số

Which questions should robert ask himself before investing the $10,000 he inherited? check all that apply. how am i protected as an investor? are my friends investing in a similar way? what guarantees are in place so i make money? what taxes will i have to pay on this investment? how do the risks compare to the potential gains? what are the chances that the investment will fail?