Are the chemical reactions that take place in a disposable battery exothermic or endothermic? Is the reaction going on in a rechargeable battery while it is recharging exothermic or endothermic?
A. Endothermic and exothermic, respectively.
B. Both exothermic.
C. Both endothermic.
D. Exothermic and endothermic, respectively.
Answer: D
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In what way were humans influencing climate prior to the Industrial Revolution?
A) hunting and gathering excessively B) gathering wood for individual cooking fires C) alteration of ground cover for grazing and agriculture D) releasing CO2 by burning large quantities of coal
Migrants that are victims of severe push factors, such as hunger, persecution, war, and political repression, are called _______________
Fill in the blank(s) with correct word
_______________ is the growth of cities due in part to the natural growth rate of people already living in urban areas, and is particularly strong in the LDCs
Fill in the blank(s) with correct word