Sodium is kept immersed in kerosene because Sodium doesn't react with kerosene.
Answer:
Explanation:
Proteins are important because they give you ability to fix broken bone or to grow.
The respiratory system that allows for Gas Exchange happens between Alveolar Spaces and Capillaries
Answer:
The cholodny-went model was proposed in 1927. This model explains the capability of the shoots to grow in the direction of the sunlight whereas the capability of the roots to grow downwards. The hypothesis suggested that both these directional growth occurred due to the asymmetrical distribution of the plant hormone, auxin. This model has been modified a number of times by other scientists but its general concept is accepted by most of the researchers.