Be ! which of the following describes how the circulatory and the digestive systems to maintain homeostasis by working together?
a. by delivering oxygen to cells b. by having cells the fight infections c. by delivering nutrients from food to cells. d. by carrying waste to the kidneys
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Chemistry, 23.06.2019 05:30
The term gas is limited to those substances that exist in the gaseous state at
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Chemistry, 23.06.2019 10:30
An atom that gains or loses one or more electrons is called a(n)
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Chemistry, 23.06.2019 14:40
A1.50-liter sample of dry air in a cylinder exerts a pressure of 3.00 atmospheres at a temperature of 25°c. without changing the temperature, a piston is moved in the cylinder until the pressure in the cylinder is reduced to 1.00 atmospheres. the volume of the gas is
Answers: 3
Chemistry, 23.06.2019 15:40
The table below shows the freezing points of four substances. substance freezing point (°c) benzene 5.5 water 0 butane –138 nitrogen –210 the substances are placed in separate containers at room temperature, and each container is gradually cooled. which of these substances will solidify before the temperature reaches 0°c? benzene water butane nitrogen
Answers: 2
Be ! which of the following describes how the circulatory and the digestive systems to maintain ho...
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