A is a multi-level network of feeding interactions, through which both energy and matter move.

The question is not complete and the options are not given, here are the options gotten from another website.

A.Food web

B. Food chain

C. Ecological Pyramid

D. None of the above

The correct option is A

Food web.

Explanation:

It is food web because a food web is a feeding relationship that occur between several organisms in the ecosystem in which multi level network of feeding interactions us formed and energy and matter is moved in each trophic levels.

Food web consist of several food chains and energy plus matter is moved from each trophic level, from the producer, to primary consumer, to secondary consumer and decomposer.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.