Question 27 (2 points) Which of the following heat transfer methods is how the sun’s solar energy reaches earth through the vacuum of space?
a. radiation
b. convection
c. conduction
d. solar flare

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

In which phase(s) do the molecules take the shape of the container?