The cross section below shows a drill rig used to collect rock samples from below Earth's surface. (Not Drill rig Earth's surface NAV в в 2 kilometers drawn to scale) The rock samples collected from the bottom of the drill hole came from which Earth layer? Ob hydrosphere stiffer mantle lithosphere asthenosphere PLS HELP DONT HAVE THAT MUCH TIME​

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

According to speculation and study, what will happen to the global birth rate in about 40 years? (1 point)