Yintoni iplankton?

Ukubaluleka kweplankton ayishwankathelwe koku, kuba ngenxa yobudlelwane bendalo obuhlanganisa imixokelelwane entsonkothileyo yazo zonke izinto ezikhoyo kwindalo

Yintoni uxinano lwegolide esulungekileyo?

Inani elichanekileyo elinokuthi lisebenze njengereferensi li-19,32 iigrem kwisentimitha nganye nganye. Oku kuthetha ukuba isentimitha nganye yegolide ilingana nobunzima be-19,32 yeegram.

Iyintoni ingqumbo?

Ingqula yityhubhu eyenziwe sisongelo sentlala esigcina ngaphakathi kumalungu okuphefumla.

Ithini imibala yomnyama?

Umnyama yenye yezona zinto zintle zemozulu ezikhoyo. Siveliswa xa ukukhanya kwelanga kudlula kumathontsi amanzi akhoyo emoyeni, kukhokelela kukukhanya kokukhanya esaziwa ngokubanzi njengomnyama.

Ukuveliswa kwenjini yomphunga

Injini yokuqala yepiston yaphuhliswa ngo-1690 ngugqirha wamachiza waseFrance uDenis Papin, kwaye yayisetyenziselwa ukupompa amanzi. Umatshini kaPapin, ngaphezulu kokufuna ukwazi, ngumatshini osebenza phantsi koxinzelelo lomoya, umphunga wamanzi awunyanzelwanga.

Zingaphi iintlobo zemithi ezikhoyo?

Ukumisela inani leentlobo zemithi ezikhoyo kwiplanethi, kufanelekile ukujonga uluhlu lwehlathi. Ngokwedatha yakutshanje, amashumi amawaka emithi angabalwa ekhula kwihlabathi liphela.

Ukuqonda iminyele

Indalo iphela yenziwe ngamaqela amakhulu eenkwenkwezi ezibizwa ngokuba yiminyele.