In which of these samples do the molecules most likely have the most kinetic energy?
select one:
a. solid ice at −5°c
b. ice water at 0°c
c. liquid water at 98°c
d. water vapor at 150°c

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Environmental impacts on evolution : mastery test