The answer is B. Because reactions are what goes in. Products are what comes out
B.compound Because compound is when two element are combined or joined chemically
C. Developing effective methods of food preservation
Explanation:
The development of effective methods of food preservation is a much more smaller and manageable problem that contributes to the complex problem.
The percentage of food rotting is not as a result of lack of an effective preservation technique as highlighted in the passage. It is due to the long distances of agricultural area from where the farms are located.
- To cut the loss, efficient and rapid transportation techniques needs to be put in place to carry the fruits and vegetables to the area where they are needed.
- This is the most complex problem that if solved can peg back food rot.
- Additional measures should be put in place to preserve the food.
Other options does not address the subject matter
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Humans sweat to expel toxins.
They also sweat because sweat helps the body cool down. During exercise, body temperature rises, sweat helps the body cool down.
Sweat also contain sodium. Which is why it’s salty.
Answer:
A. State of matter of the substance.
Explanation:
During a chemical change, the composition of matter always changes.
