The process by which plants give up moisture to the air is:
a. evaporation.
b. transpiration.
c. evapotranspiration.
d. none of these
B
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As a rocket continues to burn fuel, a constant thrust gives it an increased acceleration. Why is this so and what principle is involved?
What will be an ideal response?
Living organisms represent the flow of energy towards decreasing order or chaos. Indicate whether the statement is true or false
Weigh a piece of paper, and then burn it until it turns into ash. Collect the produced gases and ash and weigh them. The weight of the gas and ash produced equals the weight of the original piece of paper and the weight of the oxygen consumed in the burning. Which scientific law explains this?
A. law of conservation of matter B. first law of thermodynamics C. second law of thermodynamics D. theory of relativity
What may result from crystallization?
A) Sedimentary rock becomes metamorphic rock. B) Sediment becomes sedimentary rock. C) Magma becomes igneous rock. D) Metamorphic rock becomes magma.