What is the total amount of tissue of all organisms in a food chain called?

All food chains and webs have at least two or three trophic levels. Generally, there are a maximum of four tropic levels. Many consumers feed at more than one tropic level. Humans, for example, are primary consumers when they eat plants such as vegetables.

Nimbostratus is the correct answer.
explanation: nimbostratus clouds are the type of clouds that are mostly likely present on gray, rainy day. these clouds produce continuous rain, snow and there is no thundering or lightening either.