Which type of tissue forms an electrical communication system within the body?
A) nervous
B) blood
C) connective
D) muscle
A
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Microscopic or macroscopic degenerative changes or abnormalities in infected host cells and tissues are called ________.
Fill in the blank(s) with the appropriate word(s).
Crown corrosion of concrete wastewater distribution systems is the result of
A) acidic fermentation products reacting with the gypsum in the concrete. B) sulfate reduction in the sewage and sulfide oxidation in the oxic headspace above. C) fungal growth in the concrete. D) rapid iron reduction coupled to pyrite dissolution.
Farmers often grow legumes such as soybeans every few years and plow much of the plant parts into the soil. This
practice serves mainly to replenish the soil with useful forms of ____.
a. carbon b. nitrogen c. phosphorus d. oxygen e. manganese
What are the key characteristics of arthropods?
A. Fused bodies, no exoskeleton, and jointed appendages B. Segmented bodies, tough exoskeleton, and jointed appendages C. Segmented bodies, no exoskeleton, and jointed appendages D. Fused bodies, tough exoskeleton, and jointed appendages