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How would a large increase in the salinity of an estuary most likely affect the ecosystem of the estuary?
burning coal
report to the teacher
The mass of the atoms in the reactant equals the mass of the atoms in the products.
Some of the atoms during the reaction changed to a different kind of atom
air
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
athlete’s foot
oil
This is a chemical reaction for the decomposition of carbonic acid into water and carbon dioxide. H2CO3 → H2O + CO2 How does the reaction support the Law of Conservation of Mass?
burning coal
report to the teacher
The mass of the atoms in the reactant equals the mass of the atoms in the products.
Some of the atoms during the reaction changed to a different kind of atom
air
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
athlete’s foot
oil
What is the first thing a student should do if an accident happens during a science experiment?
burning coal
report to the teacher
The mass of the atoms in the reactant equals the mass of the atoms in the products.
Some of the atoms during the reaction changed to a different kind of atom
air
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
athlete’s foot
oil
Which is a nonrenewable resource?
burning coal
report to the teacher
The mass of the atoms in the reactant equals the mass of the atoms in the products.
Some of the atoms during the reaction changed to a different kind of atom
air
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
athlete’s foot
oil
Two different liquids are poured together in an open container. Bubbles begin to form. After the bubbling stops, it is determined that the total weight of the two liquids is less than before they were poured together. Which best describes this observ
burning coal
report to the teacher
The mass of the atoms in the reactant equals the mass of the atoms in the products.
Some of the atoms during the reaction changed to a different kind of atom
air
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
athlete’s foot
oil
Which best describes a method of obtaining energy that may cause changes in water temperature and harm to fish populations?
burning coal
report to the teacher
The mass of the atoms in the reactant equals the mass of the atoms in the products.
Some of the atoms during the reaction changed to a different kind of atom
air
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
athlete’s foot
oil
Which disease is caused by a fungal infection?
burning coal
report to the teacher
The mass of the atoms in the reactant equals the mass of the atoms in the products.
Some of the atoms during the reaction changed to a different kind of atom
air
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
athlete’s foot
oil
Which is a compound? A sodium B sugar C nitrogen D air
burning coal
report to the teacher
The mass of the atoms in the reactant equals the mass of the atoms in the products.
Some of the atoms during the reaction changed to a different kind of atom
air
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
athlete’s foot
oil
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