Would you be willing to pay extra for a vehicle that runs on biofuels?
1.Yes, because biofuels are made from renewable energy sources and have lower emissions.
2.No, because the environmental benefits do not outweigh the personal costs.
2
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Water molecules are polar with ends that exhibit partial positive and negative charges. These opposite charges allow water molecules to attract each other through:
A. ionic bonds. B. covalent bonds. C. hydrogen bonds. D. peptide bonds.
Tapeworms do not have a
(a) reproductive system. (b) head. (c) excretory system. (d) digestive system.
Originally, fungi were considered a type of plant. Now they are classified in their own kingdom. What characteristics differentiate fungi from plants?
What will be an ideal response?
Pinworm disease is caused by
a) Taenia solium. b) Echinococcus granulosus. c) Necator americanus. d) Enterobius vermicularis.