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Which is classified as a type of acid-base reaction that produces a salt?
Which is a classification level in the Linnaean system?
What are the names of the outer planets?
What is the basis for classifying an organism as either an autotroph or a heterotroph?
Which is an example of a eukaryote?
Which organism could survive without cellular respiration?
During which phase of the cell cycle is DNA copied?
Which of the following atoms is a cation?
Which of the following equations shows a synthesis reaction?
When a researcher determines the cause-and-effect relationship between two variables, what part of the scientific method is the researcher performing?
Which term best describes a material that allows electric current to flow freely through it?
Which of the following can be a result of friction on a moving object?
In this reaction, two elements are trading places. In the reactants, zinc and bromide ions are together, and potassium and hydroxide ions are together. In the products, zinc and hydroxide ions are together, and potassium and bromide ions are together.
What is DNA packaged in?
Adenine is a nucleotide base that pairs with _____.
What is the name for Earth’s outermost layer?
A stationary object can possess which of the following?
Which of the following is the correct series of the lymphatic system’s defense mechanisms?
Which parameter is always a vector?
When iron is exposed to water and oxygen, it corrodes. Why is this an example of a chemical property?
Atom X has 7 protons and 8 neutrons, and Atom Y has 7 protons and 7 neutrons. Which of the following statements describes the relationship between Atom X and Atom Y?
At the end of which phase change will a substance have less energy than it did at the beginning?
On which molecule’s boiling and freezing points are the Celsius and Fahrenheit scales based?
What is the final structure through which urine must travel to empty out of the body?
What kind of force exists between an electron and a proton?