Suriin ang malawak na saklaw ng mga paksa sa IDNStudy.com. Sumali sa aming platform upang makatanggap ng mabilis at eksaktong tugon mula sa mga propesyonal sa iba't ibang larangan.

Which of these statements is true based on the given data?
a. Humans did not change the environment.
b. There were fewer total plants before the shopping center
c. There were more kinds of plants before the shopping center was built.
d. There were more kinds of plants after the shopping center was built.