Which of the following scenarios represents the best use of a scientific model?

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring