The answer is 2.
Enzymes work to speed up chemical reactions by changing what goes into the reactions (substrates) into different molecules. To do so, these enzymes bind with the substrates, making the physical form very important. The lock and key method explains that enzymes and their corresponding substrates are shaped very specifically to be able to fit into one another to undergo this change.
To me, This are the answers to the problems:
#19: C. Protected
#20: D. Encourage
Hope this helps :)
I think that drugs only lead to a downfall. and many people take drugs to forget about problems they are going through, but do not solve after using drugs because the drug reaction happens, return to the same problem, then I think that drugs are a bad influence and that is a vice that the tests and as you pull, I imagine that people who are addicted to drugs is because when trying drugs want more and more and feel the need for that.
Sentence 3 - The soccer team even made brownies. - in the script is extraneous information.
Extraneous information are data or information that is not essential or relevant to the topic. Extraneous is derived from the word extra. Extra refers to things that are not essentially needed to express a thought or do an activity.
All pertinent information in the script for a radio advertisement is already presented in sentence 1, 2, and 4.
Answer:
I would say character
Explanation: hope this helps :)
