Plz solve this question.
Attachments:
Answers
Answered by
1
Answer:
-5,762,400
Step-by-step explanation:
49^{2}-49^{4}
if you don't get it let me know i will try to explain more
Answered by
0
Answer:
biodegradable pollution - pollution that is rendered harmless by natural processes and so causes no permanent harm. pollution - undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities.
Similar questions