Which of the following organisms are carnivores? consumers decomposers omnivores producers

Carnivores are organisms that eat only meat of other organisms. To be able to identify which of the given is a carnivore, we are to first inspect the choices. 

Consumers - these are those that feed on the other organisms. Primarily, they feed on the meat of the organisms. 

Decomposers - these are the scavengers that feed on the dead plants and also animals.

Omnivores - these category are for the animals that feed on both plants and animals

Producers - this is primarily composed of the plant that produces their own food

Hence, the answer to this item are consumers and omnivores. 

They are all decomposition reactions.

You use the atomic number to find out how many protons and neutrons there are in the atom. you use the atomic mass to find out how many protons and electrons there are in the atom.