Why did scientists think the world was experiencing global cooling between the 1940’s and 1970’s. a. Pollution was blocking sunlight. b. Pollution was trapping heat in the atmosphere. c. Winters were the longest and coldest since the last ice age. d. Biodiversity was declining.

pennsylvania pennsylvania colony was a proprietary colony founded when william penn was awarded a charter by king charles ii in 1681. he set up the colony as one of religious freedom. the government included a representative legislature with popularly elected officials. all taxpaying freemen could vote.

i hope this

your answer is a hope this

b is the answer i am assuming