The coral reef ecosystem is said to be stable and not extreme. Describe what this means along with how it affects the food chains in the ecosystem.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

What must be done to breed dogs for a partical trait

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun