The most abundant solute in urine is _____.
Answer: urea (and other nitrogenous wastes
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Excretory System
- Write the definition of a function power_to, which receives two parameters. The first is a double and the second is an int. The function returns a double.
- Write the definition of a function typing_speed, that receives two parameters. The first is the number of words that a person has typed (an int greater than or equal to zero) in a particular time interval. The second is the length of the time interval in seconds (an int greater than zero). The function returns the typing speed of that person in words per minute (a float).
- Write the definition of a function max that has three int parameters and returns the largest.
- Write the definition of a function twice, that receives an int parameter and returns an int that is twice the value of the parameter.
- Write the definition of a function add, that receives two int parameters and returns their sum.
- Write the definition of a function square which receives a parameter containing an integer value and returns the square of the value of the parameter.
- Though you add heat, the temperature of boiling water remains constant because
- Which statement helps to explain why ice is less dense than liquid water?
- Why doesn't oil mix with water?
- The type of bonding and the numbers of covalent bonds an atom can form with other atoms is determined by _____.
- What type of bond joins the carbon atom to each of the hydrogen atoms?
- Water is a source of ______________ for chemical reactions in cells.
- Which statement is true of water's tensile strength?
- Water has surface tension because
- Which of the following best explains why water has a high specific heat?
- Which property of water molecules allows an animal to cool itself by sweating?
- An uncharged atom of boron has an atomic number of 5 and an atomic mass of 11. How many protons does boron have?
- Which of the following bonds can form between atoms of equal electronegativity?
- The atomic number of sulfur is 16. Sulfur combines with hydrogen by covalent bonding to form a compound, hydrogen sulfide. Based on the number of valence electrons in a sulfur atom, predict the molecular formula of the compound.
- Which statement about weak bonds is correct?
- A carbon atom and a hydrogen atom form what type of bond in a molecule?
- The reactivity of an atom arises from
- An ionic bond is formed when _____.
- Which property of water allows dogs to cool themselves by panting?
- What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons?