Answer: coal burning factories and increased automobile usage has caused air pollution
Explanation:
Answer:
Explanation:
we can get the information about past by studying and collecting information about past and using the sources like manuscripts , inscriptions and archaeology.
Hope it helps:)
Answer:
D.
overseeing joint sessions of congress
Answer: the correct answer is nonreactive
Explanation: Using secondary data is considered an unobtrusive or <u>nonreactive</u> research method.
No. Individuals choosing their own wife is a concept that recently was introduced to first world countries. Many people in third world countries and a few in first world countries still have arranged marriages.
