Hello, I have two things I need to be answered. I will mark you as brainliest Compare and Contrast the Johnson and Johnson vaccine and the Pfizer vaccine. Write 4-5 sentences. and Write 2-3 sentences: Based on what you know, how do you think the immune system responds to the SARS CoV-2 virus?

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.