A fish is resting in a shady part of the water, protected by surrounding rocks. The fish suddenly moves out into an open area that is sunny and closer to the surface of the water. PLS HELP, PLS DONT GUESS THAT’S RUDE
What is most likely the reason the fish moved?

to increase its body temperature
to slow down blood circulation
to obtain oxygen
to take in extra carbon dioxide

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his 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