Bill and amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. it takes amy 40 mins to arrive to school. bill arrives 20 mins after amy. how much faster (in meters/second) is amy's average speed for the entire trip?
show the steps or write the steps.

*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

The function of the excretory system is to control homeostasis and