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What are the two primary sources for the materials that comprise the dissolved components in seawater?
Chemical weathering and out gassing
Is water a mixture a compound or element?
Water is a compound. Seawater is a mixture containing salts as well as water.
How is there oxygen in water?
Oxygen dissolves in water from the air, where it enters the water through the process of diffusion. Additionally, aquatic plants and algae release oxygen as a byproduct of photosynthesis, contributing to the overall oxygen content in water.
Name two gases that can enter leaves through the pore?
Carbon Dioxide (CO2) and Oxygen (O2) can enter leaves through the pore.
What are two ways oxygen is dissolved in water?
Oxygen can dissolve in water through direct diffusion from the atmosphere at the water's surface. Oxygen can also be produced through photosynthesis by aquatic plants and algae, increasing oxygen levels in water.
What are two sources of oxygen in seawater at the surface?
Two sources of oxygen in seawater at the surface include atmospheric exchange, where oxygen from the air dissolves into the water, and photosynthesis by marine plants and phytoplankton, which produce oxygen as a byproduct.
What are two ways salt gets into the seawater?
by rivers
What are the two most abundent elements in seawater are?
They are the hydrogen and oxygen of the water itself. After that it's chlorine and sodium.
What are two ways water enters a river?
From another river, from a spring, from rain etc
What are two ways in which oxygen becomes dissolved in water?
the water
What two gases are exchanged in your lungs when you breathe?
carbon dioxide goes out and oxygen comes in
Where are two main areas where oxygen enters the blood vessels?
skin surface (integumantary system) and the lungs (alveoli) .
What are two ways to increase the rate of oxygen up take?
Two ways to increase oxygen pick up by mammals would include breathing more deeply and breathing more rapidly
In what two ways does oxygen enter the ocean?
the air and oceanic plants
What are two ways animals get oxygen?
extract air bubbles from water
What are two ways plants are used by other organisms?
Food and Oxygen
What are 2 main factors that influence density if seawater?
Temperature and salinity are the two main factors that influence the density of seawater. Colder seawater is denser than warmer seawater, while seawater with higher salinity is denser than seawater with lower salinity.
