A) Deep-sea coral and jellyfish B) Crustaceans and mollusks C) Sponges and echinoderms D) Zooplankton, phytoplankton, and bacteria
A) Phenolics B) Lipids C) Carbohydrates D) Protein
A) Sugars do not form bubbles B) It is converted into protein by sunlight C) It is washed away by currents D) Sugars are quickly consumed by bacteria
A) Ampelisca macrocephala B) Gammarus oceanicus C) Talitrus saltator D) Corophium volutator
A) During volcanic activity B) During low tide C) During phytoplankton blooms D) During winter storms
A) Spiral bacteria B) Rod-shaped bacteria C) Coccoid-form bacteria D) Filamentous bacteria
A) 25% B) 50% C) 5% to 10% D) 95%
A) Industrial runoff B) Red clay C) Volcanic ash D) Pollen
A) Only when white B) Only in fresh water C) Yes D) No
A) Only natural sea salts B) Pure oxygen bubbles C) Contaminants like pesticides and herbicides D) Non-toxic mineral oils
A) Green algae B) Diatoms C) Dinoflagellates D) Cyanobacteria
A) It disappears entirely B) It remains stable C) It increases D) It decreases
A) Ocean mist B) Salt spray C) Tidal suds D) Beach foam
A) Dissolved organic matter B) Marine plastics C) Carbon dioxide D) Dissolved mineral salts
A) Gravitational pull B) Static electricity C) Surface tension D) Magnetic attraction
A) Animal migration B) Strong on-shore winds C) Ocean currents D) Tidal shifts
A) Spillage of detergents B) Overfishing C) Underwater mining D) Tidal power generation
A) Higher concentrations of dissolved organic matter B) Depth of origin C) Temperature differences D) Lower water salinity
A) Bubble entrainment B) Evaporation C) Sublimation D) Condensation
A) Salt crystals B) Hydrophobic substances C) Heavy metals D) Sand particles
A) They dissolve entirely B) They sink to the bottom C) They expand indefinitely D) They turn into ice
A) Full moon B) Heavy swells C) Solar flares D) Low tide
A) Foam destruction B) Algal growth C) Thermal cooling D) Increased salinity
A) Foaming agents B) Hardening agents C) Bleaching agents D) Cooling agents
A) The atmosphere B) Marine plants C) Underwater volcanoes D) Decomposing matter
A) Thermodynamically unstable B) Thermodynamically inert C) Thermodynamically stable D) Thermodynamically reactive
A) Several minutes B) Several hours C) Several weeks D) Several days
A) Hours B) Days C) Seconds D) Minutes
A) Aerosols B) Nitrogen gas C) Pure oxygen D) Carbon dioxide
A) Silica, calcium, or iron B) Gold, silver, or copper C) Plastic, rubber, or glass D) Magnesium, sulfur, or lead
A) Reduced mucus coating B) Increased sunlight exposure C) High salt concentration D) Cold temperature
A) 20% B) 50% C) 90% D) 70%
A) Nearshore areas with large kelp beds B) Arctic glacial fronts C) Coral reef systems D) Deep ocean trenches |