Which of the following questions could best be explored using a scientific investigation?
a. how many seeds are in an apple?
b. how many pebbles are at the bottom of a river?
c. why are there insects on earth?

Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products

What are some characteristics of a free enterprise economy?

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary