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Answer:
elaboration is the correct answer.
Explanation:
Answer: The correct answer is : Living systems depend on the polarity of water, because since water is polar it has an unevenly distributed charge, this means that water molecules are slightly positive and negative, for this reason water is a good solvent, this characteristic is essential in organisms. For example, sugars and other nutrients are dissolved so that the blood cells can carry it to cells in the body. If sugars weren't dissolved, they couldn't reach cells. Water also attracts or is attracted to other molecules and polar ions, including many biomolecules, such as sugars, nucleic acids and some amino acids.
Answer:
B. Sponsor critical infrastructure security and resilience-related research and development, demonstration projects, and pilot programs
Explanation:
The PPD-21 known as the Presidential Directive on Critical Infrastructure Security and Resilience is set up to advance national unity with an effort to stregthen and maintain secure and reisilient critical infrastructure.
To sponsor critical infrastructure security and resilience-related research and development, demonstration projects, and pilot programs is not part of what the PPD-21 is set up to achieve. Rather it is developed and implemented to:
• Perform critical infrastructure risk assessments; understanding dependencies and interdependencies;
• Developing and coordinating emergency response plans with appropriate Federal and SLTT government authorities;
• Establishing continuity plans and programs that facilitate the performance of lifeline functions during an incident;
