Hypothesis: If a material undergoes a chemical change, then it will not retain its
original properties because a new substance
is formed.
To test the hypothesis above, you will observe
the changes during the experiment.

first part A ) second part A)
To do this, you will use these observations to
compare the
substances
v of the
to the
substances.
of the

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.