Question 4 Yeast is added to bread dough before baking. After several minutes, the bread dough rises. Use your
experiment to explain how respiration of yeast is important for the baking process.

Specialized cells which perform a particular function form : organisms organs tissues

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano