Why is it often easier to start a fitness program than it is to maintain one?

answer: bro you need to come up with it yourself   your teacher will know if anit from your community

but think of your local boy or girls scouts, ymca, boys and girls club or your local food bank

explanation:

the plates spread at mid-ocean ridges (they are divergent plate boundaries) which allows magma to rise through the weakness between the plates. the magma then emerges as lava from the boundary and cools, creating a new crust.