To observe the substance and figure it out
Answer: Chemical Change
Explanation:
Enzymes like pepsin are found in the stomach and act on food to break it down into simpler substances. This is an example of a —
Chemical change
D.) Is the most sensible answer.
Explanation: I used the process of elimination to solve this. Groundwater recharge sounds too far off of the topic, snow melt is...well...melting snow, infiltration also has nothing to do with the subject, but surface runoff is the only one that makes sense, is on topic, and seems to have a meaning similar to the occurrences describes in your question.
Number 1. cell membrane
number 2. cytoplasm
number 3. ribosome
number 4. cell wall
number 5. nucleus
I believe the correct response would be B. Of humans.
