Ka mau tanya
kalimat yang salah yang mana
cast iron is reallly an alloy of iron and carbon. the amount of carbon in cast iron are between 2,5 and 4 per cent. As cast iron is very brittle, it will not bend.
a. really b.and c.are d. ver brittle e.will not



C. are
seharusnya is, karena itu mengenai "amount" atau jumlahnya