Answer:
Oxygen liberated during photosynthesis comes from the splitting or hydrolysis of water in the green plants. Cornelius van Niel experimentally proved for the first time that the oxygen liberated during photosynthesis comes from water and not from carbon dioxide.
Answer: The color blue means that the star is the hottest. Also, the smaller a star is the farther away from earth it is.
Explanation: For example, when you look at a candle and see the blue at the bottom, that means that it is the hottest. In comparison to stars, the color blue always means that it is the hottest.
Answer:
Here are 9 important functions of protein in your body.
Growth and Maintenance. Share on Pinterest. ...
Causes Biochemical Reactions. ...
Acts as a Messenger. ...
Provides Structure. ...
Maintains Proper pH. ...
Balances Fluids. ...
Bolsters Immune Health. ...
Transports and Stores Nutrients.
Explanation:
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The fossil record is used to divide Earth's history into geologic time periods. The figure below shows the four major subdivisions of geologic time—eons, eras, periods, and epochs. Eons are the longest subdivision and are based on the abundance of certain fossils. Eons are divided into smaller time periods called eras
Answer:
One big reason we have water in our bodies is that it helps gives cells their structure, she said. It keeps cells a little plump. It also helps make different chemical reactions cells need to do their jobs. Water is also in charge of moving things around the cell to keep it working.