Under high-power lens, onion root tip appear as large, rectangular interlocking cells. It is clearly visible that cells are surrounded by distinct cell walls. Each cell has a dark stained nucleus. Large vacuoles are also observed in the cells. Small starch granules are also present inside the cells within the cytoplasm. Since root cells do not take part in photosynthesis, no chloroplasts are observed.
No, halite is not more valuable than gold
Answer
Ocean acidification results from the solubility of CO2 in oceans increasing the H+ concentrations, and depletion of bicarbonates concentrations.
Therefore, human activities which increases the concentration of CO2 in the atmosphere, will raise the atmospheric CO2 concentration. CO2 is constantly being absorbed by green plants maintaining its concentration through carbon cycle,Therefore massive deforestation which removes green plants, cutting down photosynthesis is one of human activities which raises CO2 levels of the atmosphere.The CO2 dissolves in the oceans to raise its acidic levels.Lower pH.
Another source is fossil fuels emissions which add more CO2 to the atmosphere.
Explanation:
The pair of magnets and a pair of water molecules are most likely similar. It is because the pair of magnets connects positive to negative and negative to positive, which is also similar to water molecules where they also connect to positive to negative.
Answer:
C) neurons - nerve tissue - brain - central nervous system - human being
Explanation:
This is due to the neurons being the smallest part so they have less inside, while the human body is composed of so many things inside making studying it complex.
