Which of the following is the best example of chemical weathering? limestone rocks dissolving in water plant roots growing through concrete and splitting it waves carrying sand away from a beach a large rock splitting into pieces because of ice

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.