Match each example with the system where it belongs.
mountain range
pond
gaseous nitrogen
lake
coastal vegetation
microorganism
box 1) hydrosphere
box2) geosphere
box3) atmosphere
box4) biosphere

Which flexible structure that supports the nerve cord and led to the backbone

What did hunter gathers do to alter the environment?

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point