Why is it hard to tell if a mixture contains salt?

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.