What is the golden standard for scientific research?

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.

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

What are two examples of conduction that we use everyday