Answer:
A compound and oxidant react to produce heat and new product is chemical reaction.
Mostly because the lake smell really bad and the waters really dirty
Bitter taste, high pH, and caustic Bitter are the characteristics of base.
<h3>What are the characteristics of base?</h3>
Bases have bitter taste, soapy feel, turn red litmus paper blue. Bases are substances that contain metal oxides or hydroxides. Its pH is higher than 7 up to 14.
So we can conclude that bitter taste, high pH, and caustic Bitter are the characteristics of base.
Learn more about base here: brainly.com/question/3948796
Hmmm, I believe the answer is "Exchange of energy with the surroundings"