True or false sunlight, water, rocks are all biotic factors of an ecosystem?

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Match with o for organic and i for inorganic for each compound

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