Yini iplankton?

Ukubaluleka kweplankton akufingqiwe kulokhu, ngoba ngenxa yobudlelwano bemvelo obuhlanganisa amaketanga ayinkimbinkimbi azo zonke izidalwa ezikhona emvelweni

Yini ubukhulu begolide elimsulwa?

Inombolo ngqo okufanele isebenze njengesethenjwa ingu-19,32 amagremu nge-cubic sentimitha ngayinye. Lokhu kusho ukuthi isentimitha ngalinye legolide lilingana nesisindo esingu-19,32 amagremu.

Yini i-larynx?

I-larynx iyishubhu elenziwe yi-superposition ye-cartilage efaka izingxenye zangaphakathi zomcibisholo wokuphefumula.

Ilanga

Ilanga linhloboni yenkanyezi?

Sixoxe ngeLanga, sichaza ukuthi luhlobo luni lwenkanyezi nokuthi lusele iminyaka emingaki yokuphila ngaphambi kokuphela kukaphethiloli.

Iyini imibala yothingo lwenkosazana?

Uthingo lungenye yezimo zezulu ezinhle kakhulu ezikhona. Kukhiqizwa lapho ukukhanya kwelanga kudlula ngamaconsi amanzi akhona emkhathini, okuholela ekukhanyeni okukhanya kakhulu esikwaziyo njengothingo lwenkosazana.

Ukusungulwa kwenjini yomusi

Injini yokuqala ye-piston yathuthukiswa ngo-1690 yisazi sefilosofi saseFrance uDenis Papin, futhi yasetshenziselwa ukupompa amanzi. Umshini kaPapin, ngaphezu kwelukuluku, ngumshini osebenza ngaphansi kwengcindezi yasemkhathini, umhwamuko wamanzi ngakho awucindezelwe.

Zingaki izinhlobo zezihlahla ezikhona?

Ukuze unqume inani lezinhlobo zezihlahla ezikhona emhlabeni, kulula ukubheka uhlu lwamahlathi. Ngokuya ngemininingwane yakamuva, izihlahla ezingaba ngamashumi ezinkulungwane zingabalwa zikhula emhlabeni wonke.

Ukuqonda imithala

Indawo yonke yakhiwe ngamaqembu amakhulu ezinkanyezi okuthiwa imithala.

AbaseSpain abanolwazi olubi ngesayensi

Kubukeka sengathi iSpain ayisihle neze kumasiko esayensi, futhi ngokungakholeki ukuthi ama-46% abantu baseSpain abakwazi ukuqamba usosayensi oyedwa, wanoma yisiphi isikhathi noma ubuzwe