What evidence exists to support the existence of pangea? a. the coastlines of south america and africa are extremely similar b. rock formations in deserts show evidence of erosion from glaciers c. mid-ocean ridges always lie between continents d. fossils of land animals are found on the ocean floor

Compare asexual reproduction to sexual reproduction

Biology 1c cumulative exam i need awsners

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is 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