A picnic table is made from fallen trees from a local Forest is it abiotic or biotic

How do accessory pigments chlorophyll?

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.

The transport tubes from food came down the plant are called?