Scientists have discovered fossils of the same organisms in many different parts of the world. These fossils provide evidence that * 4 points
the continents were once joined together
most life-forms that existed in the past are still present today
most of Earth’s surface was once covered by molten rock
rocks have been transformed from one type to another

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

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

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave