1. explain why water conservation is important. 2. using water more efficiently a. protects the environment b. causes the loss of natural pollution filters c. increases water contamination d. all of the above
A is the correct answer, because if water was used efficiently, there would not be high amounts of water waste, and the amount of water in watersheds will increase to the level that there will be less water shortages.
The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?
Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?