Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment IV DV Standardizing variables

What is the difference between an igneous, sedimentary and metamorphic rock

Can someone give me the answers to this?

When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.