1. When did construction start on the oldest parts of the Wall? a. over 2,500 years ago
b. over 1440 years ago
c. over 600 years ago
10
d. over 200 years ago

The first answer is right trust me

c- companies fail to take environmental protection into account. i think

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.