Which of these would be a chemical change? A. Seashells are ground to power by the surf.
B. Salt from the soil dissolve into a stream.
C. An icicle forms along cliff edge.
D. Lightning strikes of spruce tree and start a fire.

Why is permeable soil best for plants that need a lot of drainage?

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.