When molten rock undergoes crystallization above ground, what type of rock results?
a. intrusive igneous rock
b. extrusive igneous rock
c. metamorphic rock
d. sedimentary rock

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

Consider the heating curve of h2o and line segments a, b, and c. several changes are taking place at a, b, and c. all but one would be an appropriate description as e move through segments a, b and then c.