периодот креда

периодот креда

Во геолошкото време, период во траење од пред 144m до 65 милиони години.

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เพิ่มภาพ

ส่วนหนึ่งของคำพูด: noun
คำเหมือน:
Blossary:
อุตสาหกรรม/ขอบเขต: Geography
Category: Physical geography
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креда

Art history; General art history

White or off-white inorganic material composed of calcium carbonate. Naturally occurring, although also produced industrially throughout the twentieth century.

Камбријски период

Geography; Physical geography

Во геолошкото време, период кој траел од 570 до 505 милиони години.

секундарен сектор

Geography; Physical geography

Manufacturing industry.

органски

Geography; Physical geography

Manure from livestock, compost from crop cast-offs.

плима

Geography; Physical geography

The periodic rise and fall of sea level due to the gravitational pull of the sun and moon. The tidal range will be determined by the relative positions of these two bodies which ...

контрола на поплави

Geography; Physical geography

measures used to reduce the frequency and the magnitude of flooding. Two approaches: Hard engineering projects which build up banks, straighten and deepen channels, divert ...