Lava flows are typically finer grained than intrusive igneous rocks. Why?
What will be an ideal response?
Ans: The extrusive magma cools quickly so the mineral grains do not have time to grow.
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What are distributaries, and why do they form?
What will be an ideal response?
Secondary control on the proliferation of T cells is provided by which of the following?
A) tyrosine kinase deactivation B) phosphatase activation C) both a and b D) neither a nor b
______________ is a process opposite of top-down projects; lending of small sums to poor people to set up or expand small businesses
Fill in the blank(s) with correct word
When subjected to a differential stress, a very "brittle" material, like glass, will ________
A) not bend at all. It will only break. B) flow under low to moderate stress conditions C) deform by breaking or elastic bending D) flow or shear if the stress is large enough