The answer for number 14. As we understand from the reading, today, soil erosion in America is b. is worse than it was in the nineteenth century, and then the answer for number 15. The author points out in the passage that erosion in America is d. can become a more serious problem in the future

Pembahasan:

• Nomer 14. b. is worse than it was in the nineteenth century

~ erosi tanah di Amerika adalah b. lebih buruk daripada di abad kesembilan belas. Hal tersebut dapat dilihat dalam kutipan "After 40 years of conservation efforts, soil erosion has accelerated due to new demands placed on the land by heavy crop production..."

a. Dikatakan erosi tanah telah dipercepat karena tuntutan baru di tanah oleh kegiatan produksi tanaman berat.

• Nomer 15 d. can become a more serious problem in the future

~ erosi tanah di Amerika dapat menjadi problem yang lebih serius di masa mendatang. Hal tersebut dapat dilihat dari kutipan "In the years ahead, soil erosion and the pollution problems it causes are likely to replace petroleum scarcity as the nation's most critical natural resource problem."

a. Di tahun-tahun mendatang, erosi tanah dan masalah polusi yang ditimbulkannya kemungkinan besar akan menggantikan kelangkaan minyak bumi sebagai masalah sumber daya alam paling kritis di negara ini.

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Materi tentang Erosi Tanah yomemimo.com/tugas/14270893

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