Direction: Name the 3 food chains shown below to tell an Interaction of living and/or non-living things in an estuary or Intertidal zone. Follow the arrow from the producer until the end
consumer.
first
second/end
order order
consumer consumer
Heron
Producer
5,6,7
end
consumer
Catfish
Sardine
8,9,10,11
all shr
12,13,14,15
Small
shrimp
Diatoms​

Ithink about 50 % of an original isotope's number of atoms remain

Electron equations of the given changes are as follow,a)                              cu      →      cu⁺²  + 2e⁻b)                              mg⁺²  +  2 e⁻      →      mgc)                              cl⁻    →      cl  +  1e⁻d)                              s  +  2 e⁻    →      s²⁻e)                                o²⁻      →      o  +  2 e⁻f)                              p  +  3 e⁻    →      p³⁻g)                              fe²⁺    →      fe³⁺  + 1 e⁻h)                              s²⁻    →      s⁴⁺  +  6 e⁻