yes and no Global warming is natural it just that humans are speeding it up
<span>The word that should be filled in the blank in order to complete the sentence, "The ______ in the mouth secrete enzymes which help prepare the food for digestion in the stomach." The answer would be saliva. Saliva contains salivary amylase that helps soften the food. </span>
Answer:
Heat is something you can't control
Explanation:
Plastic is something you could control like moving it around
High conductivity of metals is caused by electrons that are free to move through the lattice.
hope this helps!
Answer:
Explanation:
Half reaction:
(1)
balance: 
(2)H and O balance in acidic medium:
(3) charge balance:
Hence balanced half-reaction:
