Scrape the minerals against the streak plate. Record the color of the minerals' streaks in the Student Guide. ?
MINERAL SAMPLES
WHITE STREAK PLATE
Mineral 1 (2) Mineral 2 (2)
Mineral 3 (2) Mineral 4 (3)
Mineral 5 (3) Mineral 6 (2)
Clear

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

What is it called when lava when it erupts from the surface through volcanoes.

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?