Why do scientific follow a set order of the steps when carrying out a scientific investigation

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Which units ate used to measure both velocity and speed? check all that apply

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?