what is the difference between a food chain and a food web?

a. a food chain shows a direct relationship; a food web shows a complex relationship.
b. food chains only occur in upper-latitude climates; food webs only occur in mid-latitude climates.
c. food chains happen prior to photosynthesis; food webs occur post photosynthesis.
d. a food chain create a climax community; a food web sustains that community.

Plants can have a positive and negative effect on the rate of weathering

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.

Name the peninsula that separates the bering sea from the sea of okhotsk?