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Bleach has a pH of 13. This indicates that bleach is a
How many hydrogen atoms are bonded to oxygen in water?
What is the name for the theory that states that the universe began with a single large explosion?
Which organisms are heterotrophs?
Which organelle is separated from the cytoplasm due to the presence of its own membrane?
Which process involves crossing over?
DNA ____ during the synthesis phase in mitosis?
A neutral atom has two electrons in its first energy shell, eight electrons in its second energy shell, and three electrons in its third energy shell. Which electrons will be lost when the atom reacts to become stable?
What is the maximum amount of NaCl that will dissolve in 100 grams of water at 90°C?
What metric base unit would be used to record the height of a person?
Which of the following will create an electric force around a wire loop?
What direction is the force of air resistance on a car traveling south?
The process that “rewrites” the information in a gene in DNA into a molecule of messenger RNA is called _____.
According to Mendel’s observations, which of the following is a theory of heredity?
Which of Earth’s spheres contains the air we breathe?
How is an airbag useful in car accidents?
Where is skeletal muscle found?
Which statement best describes the motion of smooth ball thrown into the air on a calm day?
Where is genetic information found in a neuron?
Which of the following is an example of a physical property?
Zinc-64 is one possible isotope of the element zinc. Which of the atoms described below is a different isotope of zinc?
How many types of bone exist in the human body?
What happens to the shape and volume of a sample of helium gas when it is transferred from a tank to a balloon?
What is 189°C in Kelvin?
Which of the following affects the speed of a mechanical wave in a material?