Water in central Texas comes from the Edwards Aquifer and tends to be hard. Which of the following would you expect to find in this water?
O
A. Biotic factors
O B. Calcium ions
C. Oxygen gas
D. Carbon dioxide

What’s the percent by mass of carbon in c10h14n2

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

The time that is taken by neptune once around the sun is called