1 Which of the following best states the central idea of the article?
A Both long and short food chains make up food webs.
B Food webs connect different food chains and trophic levels.
С Food webs consist of many different food chains, the shortest of
which involves grass, rabbits, foxes, and decomposers.
D The food chains that make up food webs stay in balance
naturally as long as humans don't interfere