Answer:
the correct option is E.
Explanation:
in this case the shrew occupies the level of both secondary and tertiary consumers.
as the shrew eats spider( a secondary consumer) so it is a tertiary consumer but it also eats snails( a primary consumer) so it is therefore a secondary consumer also.
so the shrew occupies both secondary and tertiary consumer trophic level.
Answer:
c.All are halogens, so they are not very chemically active,
Answer:
oxygen, carbon, hydrogen and nitrogen, a lot of it in the form of water.
Explanation: