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Q: Chemical reactions are important to living organisms because (1 point)they alter the activation energies necessary to initiate life processes in an organism. they provide a purpose for the enzymes
made by an organism. they allow the organism to use matter and energy from the environment for life processes. they enable the organism to decompose after it dies.
A: A)they alter the activation energies necessary to initiate life processes in an organism.
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User: Chemical reactions are important to living organisms because (1 point)they alter the activation energies necessary to initiate life processes in an organism. they provide a purpose for the enzymes made by an organism. they allow the organism to use matter and energy from the environment for life processes. they enable the organism to decompose after it dies.

Weegy: A)they alter the activation energies necessary to initiate life processes in an organism.
dandix14|Points 379|

User: A stream of water will bend toward a balloon that has been rubbed on a sweater to generate static charge. Which property of water is responsible for this behavior? (1 point)the polarity of the water molecule the ability of water to form hydrogen bonds with itself the ability of water to form hydrogen bonds with other molecules the ability of water molecules to form a repeating lattice structure

Weegy: 1. the polarity of the water molecule is responsible for this behavior
OxTornado007|Points 5828|

User: Which of the following statements correctly distinguishes between an acidic and a basic solution? (1 point)An acidic solution contains a high ratio of hydrogen ions to hydroxide ions and a basic solution contains a ratio that is closer to one. An acidic solution has a high pH and a basic solution has a low pH. An acidic solution has only hydrogen ions and a basic solution has only hydroxide ions. An acidic solution has a much higher hydrogen ion concentration than a basic solution

Weegy: C) An acidic solution has only hydrogen ions and a basic solution has only hydroxide ions.
selymi|Points 9022|

User: Which of the following statements is true about catalysts? (1 point)Catalysts slow down the rate of chemical reactions. All catalysts are enzymes. Catalysts are used up during a chemical reaction. Catalysts lower the activation energy of a chemical reaction

Weegy: catalyst lower the activation energy of a chemical.Without the help of a catalyst the amount of energy needed to spark a particular reaction is high.
lady168eve|Points 37|

User: An experiment in which only one variable is changed is a(an) ____________________ experiment. (1 point)

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Asked 10/10/2012 2:46:50 PM
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