A) Excessive melting of polar ice caps B) High inflow from major rivers C) High evaporation and low precipitation D) Volcanic activity on the sea floor
A) 40 ‰ B) 35 ‰ C) 45 ‰ D) 30 ‰
A) 25 ‰ B) 35 ‰ C) 30 ‰ D) 40 ‰
A) Central part near Jeddah B) Southern part near the Gulf of Aden C) Along the coast of Eritrea D) Northern part around the Gulf of Suez
A) Gulf of Aden B) Gulf of Suez C) Jeddah area D) Al-Kharrar area
A) 0.9 m B) 0.2 m C) 0.5 m D) 1.0 m
A) Earth's rotation B) Tectonic plate movement C) Thermal vents D) Wind
A) Winter B) Summer C) Spring D) Autumn
A) 20–30 km/h B) 15–20 km/h C) 7–12 km/h D) 1–5 km/h
A) 2 m/s B) 0.5 m/s C) 1 m/s D) 0.1 m/s
A) It inundates sabkhas as a thin sheet B) It creates deep whirlpools C) It floods through a massive network of channels D) It causes significant erosion of deep-sea trenches
A) Saudi Arabia B) Libya C) Turkey D) Lebanon
A) 5 km B) 10 km C) 3 km D) 1 km
A) Resuspending bottom sediments B) Desalinating the water C) Generating hydroelectric power D) Increasing the water temperature
A) Through deep-sea currents only B) It has no effect on sediment C) As suspended load or bedload D) By chemical precipitation
A) Arctic Ocean B) Pacific Ocean C) Indian Ocean D) Atlantic Ocean
A) Bab-el-Mandeb Strait B) Strait of Gibraltar C) Suez Canal D) Strait of Hormuz
A) East African Rift B) Red Sea Rift C) San Andreas Fault D) Mid-Atlantic Ridge
A) 600,000 km2 B) 120,000 km2 C) 438,000 km2 D) 250,000 km2
A) 40% B) 50% C) 25% D) 10%
A) Tropical sea B) Saltwater lake C) Inland sea D) Coral reef system
A) Mare Rubrum B) Sinus Arabicus C) Pontus Herculis D) Erythrà Thálassa
A) Red coral B) Trichodesmium erythraeum C) Red jellyfish D) Red algae
A) Herodotus B) Alexander the Great C) Pliny the Elder D) Aristotle
A) Iberian Peninsula B) Sinai Peninsula C) Arabian Peninsula D) Balkan Peninsula
A) Badda Cas B) Qasa Bad C) Phiom Enhah D) Mare Rubrum
A) Romans B) Persians C) Egyptians D) Greeks
A) Darius the Great B) Alexander the Great C) Hatshepsut D) Augustus
A) Baḥar al-Qulzum B) Erythraean Sea C) Suez Gulf D) Yam Suph
A) Yam Suph B) Baḥar al-Qulzum C) The Nile D) The Indian Ocean
A) Darius the Great B) Hatshepsut C) Augustus D) Alexander the Great
A) A harbor B) A canal C) A bridge D) A massive fleet
A) Obelisks B) Stelae C) Pyramids D) Temples
A) Augustus B) Darius the Great C) Hatshepsut D) Alexander the Great
A) Saadia Gaon B) Hippalus C) Darius the Great D) Agatharchides
A) Agatharchides B) Darius the Great C) Alexander the Great D) Hippalus
A) Alexander the Great B) Hatshepsut C) Darius the Great D) Augustus
A) Aksumite Empire B) Achaemenid Empire C) Egyptian Empire D) Greek Empire
A) Pirate warfare B) Slave trade C) Pearl diving D) Religious pilgrimages
A) Lightly armed Muslim pilgrim convoys B) The holy cities of Mecca and Medina C) Ottoman naval bases D) Portuguese trade ships
A) Afonso de Albuquerque B) Napoleon I C) Raynald of Châtillon D) Heitor da Silveira
A) Aden B) Mecca C) Cairo D) Suez
A) November 1869 B) 1967 C) 1513 D) 1798
A) The Red Sea slave trade B) Piracy in the Bab al-Mandab C) The Second World War D) The Six-Day War
A) Western ships B) Coral reef research vessels C) Ancient trade routes D) Oil pipelines
A) 60 mm B) 500 mm C) 2,050 mm D) 200 mm
A) BA3 virus B) Favia favus C) Thalassomonas loyana D) Northeasterly monsoon
A) Low temperatures B) Strong currents C) High salinity D) A virus called BA3
A) 34 °C B) 30 °C C) 22 °C D) 26 °C |