Scientists today know a great
deal about ocean floor topography. Only 50 years ago, however, most scientists
believed that the ocean floor was a flat and featureless environment. Which of the following technologies or tools played the largest role in altering this thinking?
A - seismometer
B - sonar
C - particle accelerator
D - magnetometer

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

What are some natural measures of time

Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose