<span>0.3% of the Earth's water is fresh water.
</span>
Answer:
Cell walls
Explanation:
Water is not it, as liquids usually serve no supportive value.
Osmotic pressure is, "the pressure that would have to be applied to a pure solvent to prevent it from passing into a given solution by osmosis, often used to express the concentration of the solution." (Google Dictionary)
Cell walls are rigid shells on the outside of most plants which helps them stay rigid.
Answer:
Lignite, bituminous, anthracite.
The correct answer is B. B-C
When actions of potential reach the end of the axon, the neuron releases chemicals messenger which are also called neurotransmitter. The inner part of a nerve which is the due presence of potassium ions while the outer part it is positively charged because there is a presence of sodium ions. The period of time when potassium gated channels they are mere than the period time for sodium under a condition called hyperpolarization.