Menggunakan protein berasaskan tumbuhan untuk suplemen ikan makanan telah menjadi sebahagian daripada akuakultur selama beberapa dekad. Makanan ikan datang daripada menuai spesies ikan seperti ikan bilis, herring, menhaden, dan sardin. Yang

Bahan permulaan utama untuk penapisan aluminium adalah bauksit. Since aluminum is a reactive element and does not occur naturally, aluminum-rich ore needs to be refined to produce alumina and

According to a report from the Energy Information Administration, operating margins for corn-based fuel ethanol plants decreased to a multi-year low in 2019. This was due in part because production