Acidic. (A pH below 7 is acidic. A pH of 7 is neutral. Above 7 is basic.)
a buffer is wrong, it is basic or alkaline, depending on the choices
The best solution of data center cooling would best be answered by a professional as there are many things to factor when looking into data center cooling. If money is an issue then the energy efficient model would be the best solution. Cisco is a provider of data center cooling and could better access one's needs.
The 'kilogram' would work fine.
A pH meter would be the best equipment to use to test the effect of temperature on solution acidity. It can provide accurate and real-time measurements of the solution's pH level as the temperature changes. Additionally, a temperature-controlled water bath would be helpful to maintain a consistent and controlled temperature during the experiment.
An animal cell would best survive in an isotonic solution, where the concentration of solutes outside the cell is the same as inside the cell. This ensures that there is no net movement of water into or out of the cell, maintaining proper cell volume and function.
a buffer is wrong, it is basic or alkaline, depending on the choices
Dilute
An essay to describe your best friend would include the best traits of the best friend. The essay would also describe why you feel those traits are beneficial to your friendship.
Beautiful
scientific
relaxed
Zenith
Zenith
anything that have some of your best work
Hellion would describe Hindley.
Centilitre.
What are his best features?