Question 10 of 35 Which two conditions explain why special technology is required to study the
deepest parts of the ocean?
A. Thickness of ice on the ocean floor
B. Unusually high oxygen levels
I C. Uneven terrain on the ocean floor
D. Extremely high pressure

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?