Pure substances that have properties entirely different from the atoms that make it up are

Explain the importance of producers, primary consumers, secondary consumers and decomposers in an ecosystem.

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.