Answer:
They speed up chemical reactions. Without them you wouldn't be alive. They break down macromolecules, and also lower the amount of energy needed for a chemical reaction to happen.
Answer:
air pollution can irritate your airways and may cause shortness of breath, coughing, wheezing, asthma episodes and chest pain.
Explanation:
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Question 1
Second
Question 2
Uterus
Question 3
High fever
Question 4
Question 5
Fetal microsomia
Question 6
True
Question 7
False
Question 8
Question 9
True
Question 10
First
Answer:
Cats also purr when they are nervous or in pain, leading some experts to believe that this uniquely feline vocalization is actually a method of self-healing. A domestic cat's purr has a frequency of between 25 and 150 Hertz, which happens to be the frequency at which muscles and bones best grow and repair themselves.
Explanation:
Answer:
theme refers to the main idea or moral of the story. Sometimes this main idea or moral is stated directly, and sometimes the reader has to think about the main idea.
Explanation:
